/*
    state.c - Portable Rogue Save State Code
    
    Copyright (C) 2000 Nicholas J. Kisseberth
   
    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions
    are met:
    1. Redistributions of source code must retain the above copyright
       notice, this list of conditions and the following disclaimer.
    2. Redistributions in binary form must reproduce the above copyright
       notice, this list of conditions and the following disclaimer in the
       documentation and/or other materials provided with the distribution.
    3. Neither the name(s) of the author(s) nor the names of other contributors
       may be used to endorse or promote products derived from this software
       without specific prior written permission.

    THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) AND CONTRIBUTORS ``AS IS'' AND
    ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR(S) OR CONTRIBUTORS BE LIABLE
    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
    DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
    OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
    LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
    OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
    SUCH DAMAGE.
*/

#define RSXR_STATS        0xABCD0001
#define RSXR_THING        0xABCD0002
#define RSXR_OBJECT       0xABCD0003
#define RSXR_MAGICITEMS   0xABCD0004
#define RSXR_KNOWS        0xABCD0005
#define RSXR_GUESSES      0xABCD0006
#define RSXR_OBJECTLIST   0xABCD0007
#define RSXR_BAGOBJECT    0xABCD0008
#define RSXR_MONSTERLIST  0xABCD0009
#define RSXR_MONSTERSTATS 0xABCD000A
#define RSXR_MONSTERS     0xABCD000B
#define RSXR_TRAP         0xABCD000C
#define RSXR_WINDOW       0xABCD000D
#define RSXR_DAEMONS      0xABCD000E
#define RSXR_IWEAPS       0xABCD000F
#define RSXR_IARMOR       0xABCD0010
#define RSXR_SPELLS       0xABCD0011
#define RSXR_ILIST        0xABCD0012
#define RSXR_HLIST        0xABCD0013
#define RSXR_DEATHTYPE    0xABCD0014
#define RSXR_CTYPES       0XABCD0015
#define RSXR_COORDLIST    0XABCD0016
#define RSXR_ROOMS        0XABCD0017

#if defined(_WIN32)
#include <Windows.h>
#include <Lmcons.h>
#include <process.h>
#include <shlobj.h>
#include <Shlwapi.h>
#undef VOID
#undef MOUSE_MOVED
#elif defined(__DJGPP__)
#include <process.h>
#else
#include <pwd.h>
#include <sys/utsname.h>
#include <unistd.h>
#endif

#include <stdlib.h>
#include <string.h>
#include <curses.h>
#include <sys/stat.h>
#include <stdio.h>
#include <stdarg.h>
#include <assert.h>
#include <fcntl.h>
#include <limits.h>
#include <time.h>
#include <signal.h>
#include "rogue.h"
#include "mach_dep.h"


#define READSTAT ((format_error == 0) && (read_error == 0))
#define WRITESTAT (write_error == 0)

int read_error   = FALSE;
int write_error  = FALSE;
int format_error = FALSE;

int save_debug = FALSE;
#define DBG(x)   {if (save_debug) rsPrintf x;}

int
rsPrintf(char *fmt, ...)
{
    va_list ap;

    va_start(ap, fmt);
    vfprintf(stderr,fmt, ap);
    va_end(ap); 

    return(0);
}


void *
get_list_item(struct linked_list *l, int i)
{
    int count = 0;

    while(l != NULL)
    {   
        if (count == i)
            return(l->l_data);
                        
        l = l->l_next;
        
        count++;
    }
    
    return(NULL);
}

rs_write(FILE *savef, void *ptr, size_t size)
{
    size_t i = 0;
    
    if (!write_error)
        i = ENCWRITE(ptr,size,savef);
    if (i != size)
        write_error = TRUE;

    assert(write_error == 0);
    return(WRITESTAT);
}

int end_of_file = FALSE;

rs_read(int inf, void *ptr, size_t size)
{
    int actual;
    end_of_file =FALSE;
    if (!read_error && !format_error)
    {
        actual = ENCREAD(ptr, size, inf);

        if ((actual == 0) && (size != 0))
           end_of_file = TRUE;
    }
       
    if (read_error){
        printf("read error has occurred. restore short-circuited.\n");abort();}
    if (format_error)
        {printf("game format invalid. restore short-circuited.\n");abort();}

    return(READSTAT);
}

int big_endian = 0;

rs_write_uint(FILE *savef, unsigned int c)
{
    char bytes[4];
    char *buf = (char *) &c;

    if (big_endian)
    {
        bytes[3] = buf[0];
        bytes[2] = buf[1];
        bytes[1] = buf[2];
        bytes[0] = buf[3];
        buf = bytes;
    }
    
    rs_write(savef, buf, 4);

    return(WRITESTAT);
}

rs_write_int(FILE *savef, int c)
{
    char bytes[4];
    char *buf = (char *) &c;

    if (big_endian)
    {
        bytes[3] = buf[0];
        bytes[2] = buf[1];
        bytes[1] = buf[2];
        bytes[0] = buf[3];
        buf = bytes;
    }
    
    rs_write(savef, buf, 4);

    return(WRITESTAT);
}

rs_write_ulong(FILE *savef, unsigned long c)
{
    unsigned int c2;
    char bytes[4];
    char *buf = (char *)&c;
    
    if ( (sizeof(long) == 8) && (sizeof(int) == 4) )
    {
        c2 = c;
        buf = (char *) &c2;
    }

    if (big_endian)
    {
        bytes[3] = buf[0];
        bytes[2] = buf[1];
        bytes[1] = buf[2];
        bytes[0] = buf[3];
        buf = bytes;
    }
    
    rs_write(savef, buf, 4);

    return(WRITESTAT);
}

rs_write_long(FILE *savef, long c)
{
    int c2;
    char bytes[4];
    char *buf = (char *)&c;
    
    if ( (sizeof(long) == 8) && (sizeof(int) == 4) )
    {
        c2 = c;
        buf = (char *) &c2;
    }

    if (big_endian)
    {
        bytes[3] = buf[0];
        bytes[2] = buf[1];
        bytes[1] = buf[2];
        bytes[0] = buf[3];
        buf = bytes;
    }
    
    rs_write(savef, buf, 4);

    return(WRITESTAT);
}

rs_write_boolean(FILE *savef, bool c)
{
    char buf;
    
    if (c == 0)
        buf = 0;
    else
        buf = 1;
    
    rs_write(savef, &buf, 1);

    return(WRITESTAT);
}

rs_read_int(int inf, int *i)
{
    char bytes[4];
    int  input;
    char *buf = (char *)&input;
    
    rs_read(inf, &input, 4);

    if (big_endian)
    {
        bytes[3] = buf[0];
        bytes[2] = buf[1];
        bytes[1] = buf[2];
        bytes[0] = buf[3];
        buf = bytes;
    }
    
    *i = *((int *) buf);

    return(READSTAT);
}

rs_read_uint(int inf, unsigned int *i)
{
    char bytes[4];
    int  input;
    char *buf = (char *)&input;
    
    rs_read(inf, &input, 4);

    if (big_endian)
    {
        bytes[3] = buf[0];
        bytes[2] = buf[1];
        bytes[1] = buf[2];
        bytes[0] = buf[3];
        buf = bytes;
    }
    
    *i = *((int *) buf);

    return(READSTAT);
}

rs_read_ulong(int inf, unsigned long *i)
{
    char bytes[4];
    unsigned long input;
    char *buf = (char *) &input;
    
    rs_read(inf, &input, 4);

    if (big_endian)
    {
        bytes[3] = buf[0];
        bytes[2] = buf[1];
        bytes[1] = buf[2];
        bytes[0] = buf[3];
        buf = bytes;
    }
    
    if ( (sizeof(long) == 8) && (sizeof(int) == 4) )
      *i = *((unsigned int *) buf);
    else
      *i = *((unsigned long *) buf);
    return(READSTAT);
}

rs_read_long(int inf, long *i)
{
    char bytes[4];
    long input;
    char *buf = (char *) &input;
    
    rs_read(inf, &input, 4);

    if (big_endian)
    {
        bytes[3] = buf[0];
        bytes[2] = buf[1];
        bytes[1] = buf[2];
        bytes[0] = buf[3];
        buf = bytes;
    }
    
    if ( (sizeof(long) == 8) && (sizeof(int) == 4) )
      *i = *((int *) buf);
    else
      *i = *((long *) buf);
    return(READSTAT);
}

rs_read_boolean(int inf, bool *i)
{
    char buf;
    
    rs_read(inf, &buf, 1);
    
    *i = buf;
    
    return(READSTAT);
}

rs_write_ints(FILE *savef, int *c, int count)
{
    int n=0;

    rs_write_int(savef,count);
    
    for(n=0;n<count;n++)
        rs_write_int(savef,c[n]);

    return(WRITESTAT);
}

rs_write_short(FILE *savef, short c)
{
    char bytes[2];
    char *buf = (char *) &c;
    
    if (big_endian)
    {
        bytes[1] = buf[0];
        bytes[0] = buf[1];
        buf = bytes;
    }
    
    rs_write(savef, buf, 2);

    return(WRITESTAT);
}

rs_read_short(int inf, short *s)
{
    char  bytes[2];
    short input;
    char *buf = (char *)&input;
    
    rs_read(inf, &input, 2);

    if (big_endian)
    {
        bytes[1] = buf[0];
        bytes[0] = buf[1];
        buf = bytes;
    }
    
    *s = *((short *) buf);
    return(READSTAT);
}


rs_write_shorts(FILE *savef, short *c, int count)
{
    int n=0;

    rs_write_int(savef,count);
    
    for(n=0;n<count;n++)
        rs_write_short(savef,c[n]);

    return(WRITESTAT);
}

rs_write_longs(FILE *savef, long *c, int count)
{
    int n=0;

    rs_write_int(savef,count);
    
    for(n=0;n<count;n++)
        rs_write_long(savef,c[n]);

    return(WRITESTAT);
}

rs_write_ulongs(FILE *savef, unsigned long *c, int count)
{
    int n=0;

    rs_write_int(savef,count);
    
    for(n=0;n<count;n++)
        rs_write_ulong(savef,c[n]);

    return(WRITESTAT);
}

rs_write_booleans(FILE *savef, bool *c, int count)
{
    int n=0;

    rs_write_int(savef,count);
    
    for(n=0;n<count;n++)
        rs_write_boolean(savef,c[n]);

    return(WRITESTAT);
}

rs_read_ints(int inf, int *i, int count)
{
    int n=0,value=0;
    
    if (rs_read_int(inf,&value) != 0)
    {
        if (value != count)
            format_error = TRUE;
        else
        {
            for(n=0;n<value;n++)
                rs_read_int(inf, &i[n]);
        }
    }
    
    return(READSTAT);
}

rs_read_shorts(int inf, short *i, int count)
{
    int n=0,value=0;
    
    if (rs_read_int(inf,&value) != 0)
    {
        if (value != count)
            format_error = TRUE;
        else
        {
            for(n=0;n<value;n++)
                rs_read_short(inf, &i[n]);
        }
    }
    
    return(READSTAT);
}

rs_read_longs(int inf, long *i, int count)
{
    int n=0,value=0;
    
    if (rs_read_int(inf,&value) != 0)
    {
        if (value != count)
            format_error = TRUE;
        else
        {
            for(n=0;n<value;n++)
                rs_read_long(inf, &i[n]);
        }
    }
    
    return(READSTAT);
}

rs_read_ulongs(int inf, unsigned long *i, int count)
{
    int n=0,value=0;
    
    if (rs_read_int(inf,&value) != 0)
    {
        if (value != count)
            format_error = TRUE;
        else
        {
            for(n=0;n<value;n++)
                rs_read_ulong(inf, &i[n]);
        }
    }
    
    return(READSTAT);
}

rs_read_booleans(int inf, bool *i, int count)
{
    int n=0,value=0;
    
    if (rs_read_int(inf,&value) != 0)
    {
        if (value != count)
            format_error = TRUE;
        else
        {
            for(n=0;n<value;n++)
                rs_read_boolean(inf, &i[n]);
        }
    }
    
    return(READSTAT);
}

rs_write_levtype(FILE *savef, LEVTYPE c)
{
    int lt;
    
    switch(c)
    {
        case NORMLEV: lt = 1; break;
        case POSTLEV: lt = 2; break;
        case MAZELEV: lt = 3; break;
        case OUTSIDE: lt = 4; break;
        case STARTLEV: lt = 5; break;
        default: lt = -1; break;
    }
    
    rs_write_int(savef,lt);
        
    return(WRITESTAT);
}

rs_read_levtype(int inf, LEVTYPE *l)
{
    int lt;
    
    rs_read_int(inf, &lt);
    
    switch(lt)
    {
        case 1: *l = NORMLEV; break;
        case 2: *l = POSTLEV; break;
        case 3: *l = MAZELEV; break;
        case 4: *l = OUTSIDE; break;
        case 5: *l = STARTLEV; break;
        default: *l = NORMLEV; break;
    }
    
    return(READSTAT);
}

rs_write_char(FILE *savef, char c)
{
    rs_write(savef, &c, 1);
    DBG(("%c",c));    
    
    return(WRITESTAT);
}

rs_read_char(int inf, char *c)
{
    rs_read(inf, c, 1);
    
    return(READSTAT);
}

rs_write_uchar(FILE *savef, unsigned char c)
{
    rs_write(savef, &c, 1);
    DBG(("%c",c));    
    
    return(WRITESTAT);
}

rs_read_uchar(int inf, unsigned char *c)
{
    rs_read(inf, c, 1);
    
    return(READSTAT);
}

rs_write_string(FILE *savef, char *s)
{
    int len = 0;

    len = (s == NULL) ? 0 : (int) strlen(s) + 1;

    rs_write_uint(savef, (unsigned int) len);
    rs_write(savef, s, len);
            
    return(WRITESTAT);
}

rs_read_string_index(int inf, struct words master[], int maxindex, char **str)
{
    int i;

    if (rs_read_int(inf,&i) != 0)
    {
        if (i > maxindex)
        {
            printf("String index is out of range. %d > %d\n",      
                i, maxindex);
            printf("Sorry, invalid save game format\n");
            format_error = TRUE;
        }
        else if (i >= 0)
            *str = master[i].w_string;
        else
            *str = NULL;
    }
    return(READSTAT);
}

rs_write_string_index(FILE *savef, struct words master[], int maxindex, char *str)
{
    int i;

    for(i = 0; i < maxindex; i++)
    {
        if (str == master[i].w_string)
        {
            rs_write_int(savef,i);
            return(WRITESTAT);
        }
    }

    rs_write_int(savef,-1);
    return(WRITESTAT);
}
 
rs_read_scrolls(int inf)
{
    int i;

    for(i = 0; i < MAXSCROLLS; i++)
    {
        rs_read_new_string(inf,&s_names[i]);
        rs_read_boolean(inf,&s_know[i]);
        rs_read_new_string(inf,&s_guess[i]);
    }

    return(READSTAT);
}

rs_write_scrolls(FILE *savef)
{
    int i;

    for(i = 0; i < MAXSCROLLS; i++)
    {
        rs_write_string(savef,s_names[i]);
        rs_write_boolean(savef,s_know[i]);
        rs_write_string(savef,s_guess[i]);
    }
    return(READSTAT);
}

rs_read_potions(int inf)
{
    int i;

    for(i = 0; i < MAXPOTIONS; i++)
    {
        rs_read_string_index(inf,rainbow,NCOLORS,&p_colors[i]);
        rs_read_boolean(inf,&p_know[i]);
        rs_read_new_string(inf,&p_guess[i]);
    }

    return(READSTAT);
}

rs_write_potions(FILE *savef)
{
    int i;

    for(i = 0; i < MAXPOTIONS; i++)
    {
        rs_write_string_index(savef,rainbow,NCOLORS,p_colors[i]);
        rs_write_boolean(savef,p_know[i]);
        rs_write_string(savef,p_guess[i]);
    }

    return(WRITESTAT);
}

rs_read_rings(int inf)
{
    int i;

    for(i = 0; i < MAXRINGS; i++)
    {
        rs_read_string_index(inf,stones,NSTONES,&r_stones[i]);
        rs_read_boolean(inf,&r_know[i]);
        rs_read_new_string(inf,&r_guess[i]);
    }

    return(READSTAT);
}

rs_write_rings(FILE *savef)
{
    int i;

    for(i = 0; i < MAXRINGS; i++)
    {
        rs_write_string_index(savef,stones,NSTONES,r_stones[i]);
        rs_write_boolean(savef,r_know[i]);
        rs_write_string(savef,r_guess[i]);
    }

    return(WRITESTAT);
}

rs_read_misc(int inf)
{
    int i;

    for(i = 0; i < MAXMM; i++)
    {
        rs_read_boolean(inf,&m_know[i]);
        rs_read_new_string(inf,&m_guess[i]);
    }

    return(READSTAT);
}

rs_write_misc(FILE *savef)
{
    int i;

    for(i = 0; i < MAXMM; i++)
    {
        rs_write_boolean(savef,m_know[i]);
        rs_write_string(savef,m_guess[i]);
    }

    return(WRITESTAT);
}

rs_write_sticks(FILE *savef)
{
    int i;

    for (i = 0; i < MAXSTICKS; i++)
    {
        if (strcmp(ws_type[i],"staff") == 0)
        {
            rs_write_int(savef,0);
            rs_write_string_index(savef, wood, NWOOD, ws_made[i]);
        }
        else
        {
            rs_write_int(savef,1);
            rs_write_string_index(savef, metal, NMETAL, ws_made[i]);
        }
        rs_write_boolean(savef, ws_know[i]);
        rs_write_string(savef, ws_guess[i]);
    }
 
    return(WRITESTAT);
}
        
rs_read_sticks(int inf)
{
    int i = 0, list = 0;

    for(i = 0; i < MAXSTICKS; i++)
    { 
        rs_read_int(inf,&list);
        if (list == 0)
        {
            rs_read_string_index(inf,wood,NWOOD,&ws_made[i]);
            ws_type[i] = "staff";
        }
        else 
        {
            rs_read_string_index(inf,metal,NMETAL,&ws_made[i]);
            ws_type[i] = "wand";
        }
        rs_read_boolean(inf, &ws_know[i]);
        rs_read_new_string(inf, &ws_guess[i]);
    }

    return(READSTAT);
}
    
rs_read_string(int inf, char *s, int max)
{
    int len = 0;

    if (rs_read_int(inf, &len) != FALSE)
    {
        if (len > max)
        {
            printf("String too long to restore. %d > %d\n",len,max);
            printf("Sorry, invalid save game format\n");
            format_error = TRUE;
        }
    
        rs_read(inf, s, len);
    }
    
    return(READSTAT);
}

rs_read_new_string(int inf, char **s)
{
    int len=0;
    char *buf=0;

    if (rs_read_int(inf, &len) != 0)
    {
        if (len == 0)
            *s = NULL;
        else
        { 
            buf = malloc(len);

            if (buf == NULL)            
                read_error = TRUE;
            else
            {
                rs_read(inf, buf, len);
                *s = buf;
            }
        }
    }

    return(READSTAT);
}

rs_write_strings(FILE *savef, char *s[], int count)
{
    int len = 0;
    int n = 0;

    rs_write_int(savef,count);

    for(n = 0; n < count; n++)
    {
        len = (s[n] == NULL) ? 0L : (int) strlen(s[n]) + 1;
        rs_write_int(savef, len);
        rs_write(savef, s[n], len);
        DBG(("%s",s[n]));
    }
    
    return(WRITESTAT);
}

rs_write_words(FILE *savef, struct words *w, int count)
{
    int n = 0;

    rs_write_int(savef,count);

    for(n = 0; n < count; n++)
    {
        rs_write(savef, w[n].w_string, sizeof(w[n].w_string));
        DBG(("%s",w[n].w_string));
    }
    
    return(WRITESTAT);
}

rs_read_words(int inf, struct words *w, int count)
{
    int n = 0;
    int value = 0;

    rs_read_int(inf,&value);

    if (value != count)
    {
        printf("Incorrect number of words in block. %d != %d.",
                value,count);
        printf("Sorry, invalid save game format");
        format_error = TRUE;
    }
    else for(n = 0; n < count; n++)
    {
        rs_read(inf, w[n].w_string, sizeof(w[n].w_string));
    }
    
    return(READSTAT);
}

rs_read_new_strings(int inf, char **s, int count)
{
    int len   = 0;
    int n     = 0;
    int value = 0;
    
    if (rs_read_int(inf,&value) != 0)
    {
        if (value != count)
        {
            printf("Incorrect number of strings in block. %d > %d.",
                value,count);
            printf("Sorry, invalid save game format");
            format_error = TRUE;
        }
        else
            for(n=0; n<value; n++)
            {
                rs_read_int(inf, &len);
            
                if (len == 0)
                    s[n]=0;
                else 
                {
                    s[n] = malloc(len);
                    rs_read(inf,s[n],len);
                }
            }
    }
    
    return(READSTAT);
}

rs_write_coord(FILE *savef, coord *c)
{
    DBG(("X ="));
    rs_write_int(savef, c->x);
    DBG(("Y ="));
    rs_write_int(savef, c->y);
    
    return(WRITESTAT);
}

rs_read_coord(int inf, coord *c)
{
    rs_read_int(inf,&c->x);
    rs_read_int(inf,&c->y);
    
    return(READSTAT);
}

/* Assigns a number to an alchemy jug associated with a fuse, so it can be 
 * found and reassociated when restoring.
 * 1 - 31: slot in pack
 * 32+   : on floor
 * Hopefully monsters do not pick them up.
 */
int number_alchemy_jug(struct object *obj) {
    struct object *tobj = NULL;
    struct linked_list *item;
    int i = 1;
    for (item = pack; item != NULL; item = next(item), i++) {
	tobj = OBJPTR(item);
	if (tobj	 == obj		&& 
	    tobj->o_type == MM		&& 
	    tobj->o_which== MM_JUG)
		break;
    }
    if (item == NULL) {
	for (item = lvl_obj, i = 32; item != NULL; item = next(item), i++) {
	    tobj = OBJPTR(item);
	    if (tobj	     == obj		&& 
		tobj->o_type == MM		&& 
		tobj->o_which== MM_JUG)
		    break;
	}
    }
    if (item == NULL)
      return 0;
    return i;
}

/* Takes an alchemy jug number and tracks down the object. */
struct object *find_alchemy_jug(int n) {
    struct object *tobj;
    struct linked_list *item;

    if (n <= 0) {
        return NULL;
    }
    else if (n < 32) {
        item = pack;
        n -= 1;
    }
    else if (n < 1024) {
        item = lvl_obj;
        n -= 32;
    }
    else {
        /* This is likely a bug, not 1024 actual items on the floor. */
        return NULL;
    }
    while (item != NULL && n > 0) {
        item = next(item);
        n--;
    }
    if (item == NULL)
        return NULL;
    tobj = OBJPTR(item);
    if (tobj->o_type != MM || tobj->o_which != MM_JUG)
        return NULL;
    return tobj;
}

rs_write_daemons(FILE *savef, struct delayed_action *d_list,int count)
{
    int i = 0;
    int func = 0;
        
    DBG(("Daemons\n"));
    rs_write_int(savef, RSXR_DAEMONS);
    rs_write_int(savef, count);
        
    for(i=0; i < count; i++)
    {
        if (d_list[i].d_func == rollwand)
            func = 1;
        else if (d_list[i].d_func == doctor)
            func = 2;
        else if (d_list[i].d_func == stomach)
            func = 3;
        else if (d_list[i].d_func == trap_look)
            func = 4;
        else if (d_list[i].d_func == eat_gold)
            func = 5;
        else if (d_list[i].d_func == ring_search)
            func = 6;
        else if (d_list[i].d_func == ring_teleport)
            func = 7;
        else if (d_list[i].d_func == fumble)
            func = 8;
        else if (d_list[i].d_func == strangle)
            func = 9;
        else if (d_list[i].d_func == unconfuse)
            func = 10;
        else if (d_list[i].d_func == swander)
            func = 11;
        else if (d_list[i].d_func == spell_recovery)
            func = 12;
        else if (d_list[i].d_func == chant_recovery)
            func = 13;
        else if (d_list[i].d_func == prayer_recovery)
            func = 14;
        else if (d_list[i].d_func == cure_disease)
            func = 15;
        else if (d_list[i].d_func == unstink)
            func = 16;
        else if (d_list[i].d_func == res_strength)
            func = 17;
        else if (d_list[i].d_func == undance)
            func = 18;
        else if (d_list[i].d_func == suffocate)
            func = 19;
        else if (d_list[i].d_func == wghtchk)
            func = 20;
        else if (d_list[i].d_func == dust_appear)
            func = 21;
        else if (d_list[i].d_func == unchoke)
            func = 22;
        else if (d_list[i].d_func == sight)
            func = 23;
        else if (d_list[i].d_func == changeclass)
            func = 24;
        else if (d_list[i].d_func == cloak_charge)
            func = 25;
        else if (d_list[i].d_func == quill_charge)
            func = 26;
        else if (d_list[i].d_func == nohaste)
            func = 27;
        else if (d_list[i].d_func == noslow)
            func = 28;
        else if (d_list[i].d_func == unclrhead)
            func = 29;
        else if (d_list[i].d_func == unsee)
            func = 30;
        else if (d_list[i].d_func == unphase)
            func = 31;
        else if (d_list[i].d_func == land)
            func = 32;
        else if (d_list[i].d_func == appear)
            func = 33;
        else if (d_list[i].d_func == unskill)
            func = 34;
        else if (d_list[i].d_func == nofire)
            func = 35;
        else if (d_list[i].d_func == nocold)
            func = 36;
        else if (d_list[i].d_func == nobolt)
            func = 37;
        else if (d_list[i].d_func == alchemy)
            func = 38;
        else if (d_list[i].d_func == NULL)
            func = 0;
        else
            func = -1;

        rs_write_int(savef, d_list[i].d_type);
        rs_write_int(savef, func);

        if (d_list[i].d_func == doctor)
           rs_write_int(savef, 1);
        else if (d_list[i].d_func == eat_gold)
        {
            int index;
            index = find_list_ptr(player.t_pack,d_list[i].d_arg.vp);
            rs_write_int(savef,index);
        }
        else if (d_list[i].d_func == changeclass)
        {
            rs_write_int(savef, d_list[i].d_arg.i);
        }
        else if (d_list[i].d_func == cloak_charge)
        {
            int index;
            index = find_list_ptr(player.t_pack,d_list[i].d_arg.vp);
            rs_write_int(savef,index);
        }
        else if (d_list[i].d_func == alchemy)
        {
            rs_write_int(savef, number_alchemy_jug((void *) d_list[i].d_arg.vp));
        }
        else
            rs_write_int(savef, d_list[i].d_arg.i);

		rs_write_int(savef, d_list[i].d_time);
    }
    
    return(WRITESTAT);
}       

rs_read_daemons(int inf, struct delayed_action *d_list, int count)
{
    int i = 0;
    int func = 0;
    int value = 0;
    int id = 0;
    int dummy = 0;
    
    if (d_list == NULL)
        printf("HELP THERE ARE NO DAEMONS\n");
    
    if (rs_read_int(inf, &id) != 0)
    {
        if (id != RSXR_DAEMONS)
        {
            printf("Invalid id. %x != %x(RSXR_DAEMONS)\n",
                id,RSXR_DAEMONS);
            printf("Sorry, invalid save game format");
            format_error = TRUE;
        }
        else if (rs_read_int(inf, &value) != 0)
        {
            if (value > count)
            {
                printf("Incorrect number of daemons in block. %d > %d.",
                    value,count);
                printf("Sorry, invalid save game format");
                format_error = TRUE;
            }
            else
            {
                for(i=0; i < value; i++)
                {
                    func = 0;
                    rs_read_int(inf, &d_list[i].d_type);
                    rs_read_int(inf, &func);
                    
                    switch(func)
                    {
                        case  1: d_list[i].d_func = rollwand;
                                 break;
                        case  2: d_list[i].d_func = doctor;
                                 break;
                        case  3: d_list[i].d_func = stomach;
                                 break;
                        case  4: d_list[i].d_func = trap_look;
                                 break;
                        case  5: d_list[i].d_func = eat_gold;
                                 break;
                        case  6: d_list[i].d_func = ring_search;
                                 break;
                        case  7: d_list[i].d_func = ring_teleport;
                                 break;
                        case  8: d_list[i].d_func = fumble;
                                 break;
                        case  9: d_list[i].d_func = strangle;
                                 break;
                        case 10: d_list[i].d_func = unconfuse;
                                 break;
                        case 11: d_list[i].d_func = swander;
                                 break;
                        case 12: d_list[i].d_func = spell_recovery;
                                 break;
                        case 13: d_list[i].d_func = chant_recovery;
                                 break;
                        case 14: d_list[i].d_func = prayer_recovery;
                                 break;
                        case 15: d_list[i].d_func = cure_disease;
                                 break;
                        case 16: d_list[i].d_func = unstink;
                                 break;
                        case 17: d_list[i].d_func = res_strength;
                                 break;
                        case 18: d_list[i].d_func = undance;
                                 break;
                        case 19: d_list[i].d_func = suffocate;
                                 break;
                        case 20: d_list[i].d_func = wghtchk;
                                 break;
                        case 21: d_list[i].d_func = dust_appear;
                                 break;
                        case 22: d_list[i].d_func = unchoke;
                                 break;
                        case 23: d_list[i].d_func = sight;
                                 break;
                        case 24: d_list[i].d_func = changeclass;
                                 break;
                        case 25: d_list[i].d_func = cloak_charge;
                                 break;
                        case 26: d_list[i].d_func = quill_charge;
                                 break;
                        case 27: d_list[i].d_func = nohaste;
                                 break;
                        case 28: d_list[i].d_func = noslow;
                                 break;
                        case 29: d_list[i].d_func = unclrhead;
                                 break;
                        case 30: d_list[i].d_func = unsee;
                                 break;
                        case 31: d_list[i].d_func = unphase;
                                 break;
                        case 32: d_list[i].d_func = land;
                                 break;
                        case 33: d_list[i].d_func = appear;
                                 break;
                        case 34: d_list[i].d_func = unskill;
                                 break;
                        case 35: d_list[i].d_func = nofire;
                                 break;
                        case 36: d_list[i].d_func = nocold;
                                 break;
                        case 37: d_list[i].d_func = nobolt;
                                 break;
                        case 38: d_list[i].d_func = alchemy;
                                 break;
						case 0:
						case -1:
                        default: d_list[i].d_func = NULL;
                                 break;
                    }

                    if (d_list[i].d_func == doctor)
                    {
                        rs_read_int(inf, &dummy);
                        d_list[i].d_arg.vp = (void *)&player;
                    }
                    else if (d_list[i].d_func == eat_gold)
                    {
                        rs_read_int(inf, &dummy);
                        d_list[i].d_arg.vp = get_list_item(player.t_pack,dummy);
                        if (d_list[i].d_arg.vp == NULL)
                            d_list[i].d_type = 0;
                    }
                    else if (d_list[i].d_func == changeclass)
                    {
                        rs_read_int(inf, &d_list[i].d_arg.i);
                    }
                    else if (d_list[i].d_func == cloak_charge)
                    {
                        rs_read_int(inf, &dummy);
                        d_list[i].d_arg.vp = get_list_item(player.t_pack,dummy);
                        if (d_list[i].d_arg.vp == NULL)
                            d_list[i].d_type = 0;
                    }
                    else if (d_list[i].d_func == alchemy)
                    {
	                rs_read_int(inf, &dummy);
                        d_list[i].d_arg.vp = (void *) find_alchemy_jug(dummy);
	                if (d_list[i].d_arg.vp == NULL)
		            d_list[i].d_type = 0;
                    }
                    else
                        rs_read_int(inf, &d_list[i].d_arg.i);

                    rs_read_int(inf, &d_list[i].d_time);

					if (d_list[i].d_func == NULL) 
					{
						d_list[i].d_time = 0;
						d_list[i].d_arg.vp = NULL;
						d_list[i].d_type = 0;
					}

                }
            }
        }
    }
    
    return(READSTAT);
}       
        
rs_write_rooms(FILE *savef, struct room r[], int count)
{
    int n = 0,i = -1;
    struct linked_list *l;

    DBG(("Rooms\n"));
    rs_write_int(savef, RSXR_ROOMS);
    rs_write_int(savef, count);
    
    for(n=0; n<count; n++)
    {
        rs_write_coord(savef, &r[n].r_pos);
        rs_write_coord(savef, &r[n].r_max);
        rs_write_long(savef, r[n].r_flags);
        rs_write_coord_list(savef, r[n].r_exit);

        l = r[n].r_fires;
        i = list_size(l);
        
        rs_write_int(savef, i);

        if (i >0)
            while (l != NULL)
            {
                i = find_list_ptr(mlist,l->l_data);
                rs_write_int(savef,i);
                l = l->l_next;
            }
    }
    return(WRITESTAT);
}

rs_read_rooms(int inf, struct room *r, int count)
{
    int value = 0, n = 0, i = 0, index = 0, id = 0;
    struct linked_list *fires=NULL, *item = NULL;

    if (rs_read_int(inf,&id) != 0)
    {
        if (id != RSXR_ROOMS)
        {
            printf("Invalid id. %x != %x(RSXR_ROOMS)\n",
                id,RSXR_ROOMS);
            printf("Sorry, invalid save game format");
            format_error = TRUE;
        }
        else if (rs_read_int(inf,&value) != 0)
        {
            if (value != count)
            {
                printf("Incorrect number of rooms in block. %d > %d.",
                    value,count);
                printf("Sorry, invalid save game format");
                format_error = TRUE;
            }
            else
            {
                for(n=0; n<value; n++)
                {   
                    rs_read_coord(inf,&r[n].r_pos);
                    rs_read_coord(inf,&r[n].r_max);
                    rs_read_long(inf,&r[n].r_flags);
                    rs_read_coord_list(inf, &r[n].r_exit);

                    rs_read_int(inf, &i);
                    fires = NULL;
                    while (i>0)
                    {
                        rs_read_int(inf,&index);
                        
                        if (index >= 0)
                        {
                            void *data;
                            data = get_list_item(mlist,index);
                            item = creat_item();
                            item->l_data = data;
                            if (fires == NULL)
                                fires = item;
                            else
                                attach(fires,item);
                        }
                        i--;
                    }
                    r[n].r_fires=fires; 
                }
            }
        }
    }

    return(READSTAT);
}

rs_write_object(FILE *savef, struct object *o)
{
    rs_write_int(savef, RSXR_OBJECT);
    rs_write_int(savef, o->o_type);
    rs_write_coord(savef, &o->o_pos);
    rs_write_char(savef, o->o_launch);
    rs_write(savef, o->o_damage, sizeof(o->o_damage));
    rs_write(savef, o->o_hurldmg, sizeof(o->o_hurldmg));
    rs_write_int(savef, o->o_count);
    rs_write_int(savef, o->o_which);
    rs_write_int(savef, o->o_hplus);
    rs_write_int(savef, o->o_dplus);
    rs_write_int(savef, o->o_ac);
    rs_write_long(savef, o->o_flags);
    rs_write_int(savef, o->o_group);
    rs_write_int(savef, o->o_weight);
    rs_write(savef, o->o_mark, MARKLEN);

    DBG(("Object\n"));
    DBG(("    SaveID  : %X\n",RSXR_OBJECT));
    DBG(("    Type    : %d\n",o->o_type));
    DBG(("    Pos     : %d %d\n",o->o_pos.x,o->o_pos.y));
    DBG(("    Launch  : %c\n",o->o_launch));
    DBG(("    Damage  : %s\n",o->o_damage));
    DBG(("    Hurl    : %s\n",o->o_hurldmg));
    DBG(("    Count   : %d\n",o->o_count));
    DBG(("    Which   : %d\n",o->o_which));
    DBG(("    HPlus   : %d\n",o->o_hplus));
    DBG(("    DPlus   : %d\n",o->o_dplus));
    DBG(("    AC      : %d\n",o->o_ac));
    DBG(("    Flags   : %X\n",o->o_flags));
    DBG(("    Group   : %d\n",o->o_group));
    DBG(("    Weight  : %d\n",o->o_weight));
    DBG(("    Mark    : %s\n",o->o_mark));
    if (o->contents == NULL)
    {
        DBG(("    Contents: None\n"));
    }
    else
    {
        DBG(("    CONTENTS\n"));
    }
        
    rs_write_object_list(savef, o->contents);
    
    if (o->contents != NULL)
        DBG(("    END_CONTENTS\n"));
    
    return(WRITESTAT);
}

rs_read_object(int inf, struct object *o)
{
    int id;

    if (rs_read_int(inf, &id) != 0)
    {
        if (id != RSXR_OBJECT)
        {
            printf("Invalid id. %x != %x(RSXR_OBJECT)\n", id,RSXR_OBJECT);
            printf("Sorry, invalid save game format");
            format_error = TRUE;
        }
        else
        {
            rs_read_int(inf, &o->o_type);
            rs_read_coord(inf, &o->o_pos);
            rs_read_char(inf, &o->o_launch);
            rs_read(inf, o->o_damage,sizeof(o->o_damage));
            rs_read(inf, o->o_hurldmg,sizeof(o->o_hurldmg));
            rs_read_int(inf, &o->o_count);
            rs_read_int(inf, &o->o_which);
            rs_read_int(inf, &o->o_hplus);
            rs_read_int(inf, &o->o_dplus);
            rs_read_int(inf,&o->o_ac);
            rs_read_long(inf,&o->o_flags);
            rs_read_int(inf,&o->o_group);
            rs_read_int(inf, &o->o_weight);
            rs_read(inf, o->o_mark, MARKLEN);
            rs_read_object_list(inf,&o->contents);

        }
    }

    return(READSTAT);
}

rs_write_stats(FILE *savef, struct stats *s)
{
    DBG(("Stats\n"));
    rs_write_int(savef, RSXR_STATS);
    
    rs_write_short(savef, s->s_str);
    rs_write_short(savef, s->s_intel);
    rs_write_short(savef, s->s_wisdom);
    rs_write_short(savef, s->s_dext);
    rs_write_short(savef, s->s_const);
    rs_write_short(savef, s->s_charisma);
    rs_write_ulong(savef, s->s_exp);
    rs_write_int(savef, s->s_lvladj);
    rs_write_int(savef, s->s_lvl);
    rs_write_int(savef, s->s_arm);
    rs_write_int(savef, s->s_hpt);
    rs_write_int(savef, s->s_pack);
    rs_write_int(savef, s->s_carry);
    rs_write(savef, s->s_dmg, sizeof(s->s_dmg));

    return(WRITESTAT);
}

rs_read_stats(int inf, struct stats *s)
{
    int id;

    if (rs_read_int(inf, &id) != 0)
    {
        if (id != RSXR_STATS)
        {
            printf("Invalid id. %x != %x(RSXR_STATS)\n", id,RSXR_STATS);
            printf("Sorry, invalid save game format");
            format_error = TRUE;
        }
        else
        {
            rs_read_short(inf,&s->s_str);
            rs_read_short(inf,&s->s_intel);
            rs_read_short(inf,&s->s_wisdom);
            rs_read_short(inf,&s->s_dext);
            rs_read_short(inf,&s->s_const);
            rs_read_short(inf,&s->s_charisma);
            rs_read_ulong(inf,&s->s_exp);
            rs_read_int(inf,&s->s_lvladj);
            rs_read_int(inf,&s->s_lvl);
            rs_read_int(inf,&s->s_arm);
            rs_read_int(inf,&s->s_hpt);
            rs_read_int(inf,&s->s_pack);
            rs_read_int(inf,&s->s_carry);
            rs_read(inf,s->s_dmg,sizeof(s->s_dmg));
        }
    }
        
    return(READSTAT);
}

rs_write_mstats(FILE *savef, struct mstats *s)
{
    DBG(("M-Stats\n"));
    rs_write_int(savef, RSXR_STATS);
    rs_write_short(savef, s->ms_str);
    /*printf("    Strength: %d\n",s->ms_str);*/
    rs_write_short(savef, s->ms_dex);
    rs_write_short(savef, s->ms_move);
    rs_write_ulong(savef, s->ms_exp);
    rs_write_short(savef, s->ms_lvl);
    rs_write_short(savef, s->ms_arm);
    rs_write(savef, s->ms_hpt, sizeof(s->ms_hpt));
    rs_write(savef, s->ms_dmg, sizeof(s->ms_dmg));
    /*printf("    Damage: %s\n",s->ms_dmg);*/

    return(WRITESTAT);
}

rs_read_mstats(int inf, struct mstats *s)
{
    int id;

    if (rs_read_int(inf, &id) != 0)
    {
        if (id != RSXR_STATS)
        {
            printf("Invalid id. %x != %x(RSXR_STATS)\n", id,RSXR_STATS);
            printf("Sorry, invalid save game format");
            format_error = TRUE;
        }
        else
        {
            rs_read_short(inf,&s->ms_str);
            /*printf("    Strength: %d\n",s->ms_str);*/
            rs_read_short(inf,&s->ms_dex);
            /*printf("    Dexterity: %d\n",s->ms_dex);*/
            rs_read_short(inf,&s->ms_move);
            /*printf("    Moves: %d\n",s->ms_move);*/
            rs_read_ulong(inf,&s->ms_exp);
            /*printf("    Experience: %d\n",s->ms_exp);*/
            rs_read_short(inf,&s->ms_lvl);
            /*printf("    Level: %d\n",s->ms_lvl);*/
            rs_read_short(inf,&s->ms_arm);
            /*printf("    Armor: %d\n",s->ms_arm);*/
            rs_read(inf,s->ms_hpt,sizeof(s->ms_hpt));
            /*printf("    HP: %s\n",s->ms_hpt);*/
            rs_read(inf,s->ms_dmg,sizeof(s->ms_dmg));
            /*printf("    Damage: %s\n",s->ms_dmg);*/
        }
    }
    
    return(READSTAT);
}

rs_write_init_weps(FILE *savef, struct init_weps *w, int count)
{
    int i;

    DBG(("Init-Weps\n"));
    rs_write_int(savef, RSXR_IWEAPS);
    rs_write_int(savef, count);

    for(i=0;i<count;i++)
    {
        rs_write(savef, w[i].w_name, sizeof(w[i].w_name));
        rs_write(savef, w[i].w_dam, sizeof(w[i].w_dam));
        rs_write(savef, w[i].w_hrl, sizeof(w[i].w_hrl));
        rs_write_char(savef, w[i].w_launch);
        rs_write_int(savef, w[i].w_flags);
        rs_write_int(savef, w[i].w_rate);
        rs_write_int(savef, w[i].w_wght);
        rs_write_int(savef, w[i].w_worth);
    }
    return(WRITESTAT);
}

rs_read_init_weps(int inf, struct init_weps *w,int count)
{
    int id,value,i;

    rs_read_int(inf, &id);
    rs_read_int(inf, &value);

    if (value != count)
    {
        printf("Incorrect number of init_weps in block. %d != %d.",
                    value,count);
        printf("Sorry, invalid save game format");
        format_error = TRUE;
    }
    else for (i = 0; i < count; i++)
    {
        rs_read(inf, w[i].w_name, sizeof(w[i].w_name));
        rs_read(inf, w[i].w_dam, sizeof(w[i].w_dam));
        rs_read(inf, w[i].w_hrl, sizeof(w[i].w_hrl));
        rs_read_char(inf, &w[i].w_launch);
        rs_read_int(inf, &w[i].w_flags);
        rs_read_int(inf, &w[i].w_rate);
        rs_read_int(inf, &w[i].w_wght);
        rs_read_int(inf, &w[i].w_worth);
    }
    return(READSTAT);
}

rs_write_init_armor(FILE *savef, struct init_armor *a, int count)
{
    int i;
    DBG(("Init-Armor\n"));
    rs_write_int(savef, RSXR_IARMOR);
    rs_write_int(savef, count);
    for(i=0;i<count;i++)
    {
        rs_write(savef, a[i].a_name, sizeof(a[i].a_name));
        rs_write_int(savef, a[i].a_prob);
        rs_write_int(savef, a[i].a_class);
        rs_write_int(savef, a[i].a_worth);
        rs_write_int(savef, a[i].a_wght);
    }
    return(WRITESTAT);
}

rs_read_init_armor(int inf, struct init_armor *a,int count)
{
    int id,value,i;

    rs_read_int(inf, &id);
    rs_read_int(inf, &value);

    for(i=0;i<count;i++)
    {
        rs_read(inf, a[i].a_name, sizeof(a[i].a_name));
        rs_read_int(inf, &a[i].a_prob);
        rs_read_int(inf, &a[i].a_class);
        rs_read_int(inf, &a[i].a_worth);
        rs_read_int(inf, &a[i].a_wght);
    }

    return(READSTAT);
}

rs_write_spells(FILE *savef, struct spells *s, int count)
{
    int i;
    DBG(("Spells\n"));
    rs_write_int(savef, RSXR_SPELLS);
    rs_write_int(savef, count);
    for(i=0;i<count;i++)
    {
        rs_write_short(savef, s[i].s_which);
        rs_write_short(savef, s[i].s_cost);
        rs_write_short(savef, s[i].s_type);
        rs_write_int(savef, s[i].s_flag);
    }
    return(WRITESTAT);
}

rs_read_spells(int inf, struct spells *s,int count)
{
    int id,value,i;

    rs_read_int(inf, &id);
    rs_read_int(inf, &value);

    for(i=0;i<count;i++)
    {
        rs_read_short(inf, &s[i].s_which);
        rs_read_short(inf, &s[i].s_cost);
        rs_read_short(inf, &s[i].s_type);
        rs_read_int(inf, &s[i].s_flag);
    }
    return(READSTAT);
}

rs_write_item_list(FILE *savef, struct item_list *i)
{
    DBG(("Item List\n"));
    rs_write_int(savef, RSXR_ILIST);
    rs_write_char(savef, i->item_ch);
    rs_write(savef, i->item_desc, sizeof(i->item_desc));
    return(WRITESTAT);
}
rs_read_item_list(int inf, struct item_list *i)
{
    int id;

    rs_read_int(inf, &id);

    rs_read_uchar(inf, &i->item_ch); 
    rs_read(inf, i->item_desc,sizeof(i->item_desc));
    return(READSTAT); 
}

rs_write_h_list(FILE *savef, struct h_list *h)
{
    DBG(("H List\n"));
    rs_write_int(savef, RSXR_HLIST);
    rs_write_char(savef, h->h_ch);
    rs_write(savef, h->h_desc, sizeof(h->h_desc));
    return(WRITESTAT);
}

rs_read_h_list(int inf, struct h_list *h)
{
    int id;

    rs_read_int(inf, &id);

    rs_read_char(inf, &h->h_ch);
    rs_read(inf, h->h_desc,sizeof(h->h_desc));
    return(READSTAT);
}

rs_write_death_types(FILE *savef, struct death_type *d,int count)
{
    int i;

    DBG(("Death Types\n"));
    rs_write_int(savef, RSXR_DEATHTYPE);
    rs_write_int(savef, count);

    for(i=0; i < count; i++)
    {
        rs_write_int(savef, d[i].reason);
        rs_write(savef, d[i].name, sizeof(d[i].name));
    }
    return(WRITESTAT);
}
rs_read_death_types(int inf, struct death_type *d, int count)
{
    int id,value,i;

    rs_read_int(inf, &id);
    rs_read_int(inf, &value);
    if (value != count)
    {
        printf("Incorrect number of death_types in block. %d > %d.",
               value,count);
        printf("Sorry, invalid save game format");
        format_error = TRUE;
    }
    else for(i=0;i < count;i++)
    {
        rs_read_int(inf, &d[i].reason);
        rs_read(inf, d[i].name,sizeof(d[i].name));
    }
    return(READSTAT);
}

rs_write_character_types(FILE *savef, struct character_types *c, int count)
{
    int i;

    DBG(("Character Types\n"));
    rs_write_int(savef, RSXR_CTYPES);
    rs_write_int(savef,count);

    for(i=0;i<count;i++)
    {
        rs_write(savef, c[i].name, sizeof(c[i].name));
        rs_write_long(savef, c[i].start_exp);
        rs_write_long(savef, c[i].cap);
        rs_write_int(savef, c[i].hit_pts);
        rs_write_int(savef, c[i].base);
        rs_write_int(savef, c[i].max_lvl);
        rs_write_int(savef, c[i].factor);
        rs_write_int(savef, c[i].offset);
        rs_write_int(savef, c[i].range);
    }
    return(WRITESTAT);
}

rs_read_character_types(int inf, struct character_types *c,int count)
{
    int id,value,i;

    rs_read_int(inf, &id);
    rs_read_int(inf, &value);

    if (value != count)
    {
        printf("Incorrect number of character types in block. %d > %d.",
               value,count);
        printf("Sorry, invalid save game format");
        format_error = TRUE;
    }
    else for (i = 0; i < count; i++)
    {
        rs_read(inf, c[i].name,sizeof(c[i].name));
        rs_read_long(inf, &c[i].start_exp);
        rs_read_long(inf, &c[i].cap);
        rs_read_int(inf, &c[i].hit_pts);
        rs_read_int(inf, &c[i].base);
        rs_read_int(inf, &c[i].max_lvl);
        rs_read_int(inf, &c[i].factor);
        rs_read_int(inf, &c[i].offset);
        rs_read_int(inf, &c[i].range);
    }
    return(READSTAT);
}

rs_write_traps(FILE *savef, struct trap *trap,int count)
{
    int n;

    DBG(("Traps\n"));
    rs_write_int(savef, RSXR_TRAP);
    rs_write_int(savef, count);
    
    for(n=0; n<count; n++)
    {
        rs_write_char(savef, trap[n].tr_type);
        rs_write_char(savef, trap[n].tr_show);
        rs_write_coord(savef, &trap[n].tr_pos);
        rs_write_long(savef, trap[n].tr_flags);
    }
}

rs_read_traps(int inf, struct trap *trap, int count)
{
    int id = 0, value = 0, n = 0;

    if (rs_read_int(inf,&id) != 0)
    {
        if (id != RSXR_TRAP)
        {
            printf("Invalid id. %x != %x(RSXR_TRAP)\n",
                id,RSXR_TRAP);
            printf("Sorry, invalid save game format");
            format_error = TRUE;
        }
        else if (rs_read_int(inf,&value) != 0)
        {
            if (value != count)
            {
                printf("Incorrect number of traps in block. %d > %d.",
                    value,count);
                printf("Sorry, invalid save game format\n");
                format_error = TRUE;
            }
            else
            {
                for(n=0;n<value;n++)
                {   
                    rs_read_uchar(inf,&trap[n].tr_type);
                    rs_read_uchar(inf,&trap[n].tr_show);
                    rs_read_coord(inf,&trap[n].tr_pos);
                    rs_read_long(inf,&trap[n].tr_flags);
                }
            }
        }
        else
            format_error = TRUE;
    }
    
    return(READSTAT);
}

rs_write_monsters(FILE * savef, struct monster * m, int count)
{
    int n;
    
    DBG(("Monsters\n"));
    rs_write_int(savef, RSXR_MONSTERS);
    rs_write_int(savef, count);

    for(n=0;n<count;n++)
    {
        rs_write(savef, m[n].m_name, sizeof(m[n].m_name));
        /*printf("Monster: %s/%d/%d\n",m[n].m_name,sizeof(m[n].m_name),strlen(m[n].m_name));*/
        rs_write_short(savef, m[n].m_carry);
        rs_write_boolean(savef, m[n].m_normal);
        rs_write_boolean(savef, m[n].m_wander);
        rs_write_char(savef, m[n].m_appear);
        rs_write(savef, m[n].m_intel,sizeof(m[n].m_intel));
        rs_write_longs(savef, m[n].m_flags, MAXFLAGS);
        rs_write(savef, m[n].m_typesum,sizeof(m[n].m_typesum));
        rs_write_short(savef, m[n].m_numsum);
        rs_write_short(savef, m[n].m_add_exp);

        rs_write_mstats(savef, &m[n].m_stats);
    }
    
    return(WRITESTAT);
}

rs_read_monsters(int inf, struct monster *m, int count)
{
    int id = 0, value = 0, n = 0;
    char buffer[1024];

    if (rs_read_int(inf, &id) != 0)
    {
        if (id != RSXR_MONSTERS)
        {
            printf("Invalid id. %x != %x(RSXR_MONSTERS)\n",
                id,RSXR_MONSTERS);
            printf("Sorry, invalid save game format");
            format_error = TRUE;
        }
        else if (rs_read_int(inf, &value) != 0)
        {
            if (value != count)
            {   printf("Incorrect number of monsters in block. %d != %d.",
                    value,count);
                printf("Sorry, invalid save game format\n");
                format_error = TRUE;

            }
            else for(n=0;n<value;n++)
            {
                rs_read(inf, buffer,sizeof(m[n].m_name));
                assert( strcmp(buffer,m[n].m_name) == 0);
                /*printf("Monster: %s\n",m[n].m_name);*/
                rs_read_short(inf, &m[n].m_carry);
                /*printf("    Carry: %d\n",m[n].m_carry); */
                rs_read_boolean(inf, &m[n].m_normal);
                /*printf("    Normal: %d\n",m[n].m_normal);*/
                rs_read_boolean(inf, &m[n].m_wander);
                /*printf("    Wander: %d\n",m[n].m_wander);*/
                rs_read_char(inf, &m[n].m_appear);
                /*printf("    Appears: %c\n",m[n].m_appear);*/
                rs_read(inf, m[n].m_intel,sizeof(m[n].m_intel));
                /*printf("    Intelligence: %s\n",m[n].m_intel);*/
                rs_read_longs(inf, m[n].m_flags, MAXFLAGS);
                /*printf("    Flags: %X\n",m[n].m_flags);*/
                rs_read(inf, m[n].m_typesum, sizeof(m[n].m_typesum));
                /*printf("    Summons: %s\n",m[n].m_typesum);*/
                rs_read_short(inf, &m[n].m_numsum);
                /*printf("    # Summons: %d\n",m[n].m_numsum);*/
                rs_read_short(inf, &m[n].m_add_exp);
                /*printf("    Experience: %d\n",m[n].m_add_exp);*/
                rs_read_mstats(inf, &m[n].m_stats);

             }
        }
        else
            format_error = TRUE;
    }
    
    return(READSTAT);
}

/*****************************************************************************/

rs_write_coord_list(FILE *savef, struct linked_list *l)
{
    DBG(("Coordinate List\n"));
    rs_write_int(savef, RSXR_COORDLIST);
    rs_write_int(savef, list_size(l));

    while (l != NULL) 
    {
        rs_write_coord(savef, (coord *) l->l_data);
        l = l->l_next;
    }
    
    return(WRITESTAT);
}

rs_read_coord_list(int inf, struct linked_list **list)
{
    int id;
    int i, cnt;
    struct linked_list *l = NULL, *previous = NULL, *head = NULL;

    if (rs_read_int(inf,&id) != 0)
    {
        if (id != RSXR_COORDLIST)
        {
            printf("Invalid id. %x != %x(RSXR_COORDLIST)\n",
                id,RSXR_COORDLIST);
            printf("Sorry, invalid save game format");
            format_error = TRUE;
        }
    else if (rs_read_int(inf,&cnt) != 0)
        {
            for (i = 0; i < cnt; i++)
            {
                l = new_item(sizeof(coord));
                l->l_prev = previous;
                if (previous != NULL)
                    previous->l_next = l;
                rs_read_coord(inf,(coord *) l->l_data);
                if (previous == NULL)
                    head = l;
                previous = l;
            }
            
            if (l != NULL)
                l->l_next = NULL;
    
            *list = head;
        }
        else
            format_error = TRUE;
    }
    else
        format_error = TRUE;

    return(READSTAT);
}

rs_write_object_list(FILE *savef, struct linked_list *l)
{
    DBG(("Object List\n"));
    rs_write_int(savef, RSXR_OBJECTLIST);
    rs_write_int(savef, list_size(l));

    while (l != NULL) 
    {
        rs_write_object(savef, (struct object *) l->l_data);
        l = l->l_next;
    }
    
    return(WRITESTAT);
}

rs_read_object_list(int inf, struct linked_list **list)
{
    int id;
    int i, cnt;
    struct linked_list *l = NULL, *previous = NULL, *head = NULL;

    if (rs_read_int(inf,&id) != 0)
    {
        if (rs_read_int(inf,&cnt) != 0)
        {
            for (i = 0; i < cnt; i++) 
            {
                l = new_item(sizeof(struct object));
                memset(l->l_data,0,sizeof(struct object));
                l->l_prev = previous;
                if (previous != NULL)
                    previous->l_next = l;
                rs_read_object(inf,(struct object *) l->l_data);
                if (previous == NULL)
                    head = l;
                previous = l;
            }
            
            if (l != NULL)
                l->l_next = NULL;
    
            *list = head;
        }
        else
            format_error = TRUE;
    }
    else
        format_error = TRUE;


    return(READSTAT);
}

int
find_thing_coord(monlist, c)
struct linked_list *monlist;
coord *c;
{
    struct linked_list *mitem;
    struct thing *tp;
    int i = 0;

    for(mitem = monlist; mitem != NULL; mitem = mitem->l_next)
    {
        tp = THINGPTR(mitem);
        if (c == &tp->t_pos)
            return(i);
        i++;
    }

    return(-1);
}

int
find_object_coord(objlist, c)
struct linked_list *objlist;
coord *c;
{
    struct linked_list *oitem;
    struct object *obj;
    int i = 0;

    for(oitem = objlist; oitem != NULL; oitem = oitem->l_next)
    {
        obj = OBJPTR(oitem);
        if (c == &obj->o_pos)
            return(i);
        i++;
    }

    return(-1);
}

rs_write_thing(FILE *savef, struct thing *t)
{
    int i = -1;

    DBG(("Thing\n"));
    rs_write_int(savef, RSXR_THING);
    rs_write_boolean(savef,t->t_wasshot);
    rs_write_char(savef, t->t_type);
    rs_write_char(savef, t->t_disguise);
    rs_write_char(savef, t->t_oldch);
    rs_write_short(savef, t->t_ctype);
    rs_write_short(savef, t->t_index);
    rs_write_short(savef, t->t_no_move);
    rs_write_short(savef, t->t_quiet);
    rs_write_short(savef, t->t_movement);
    rs_write_short(savef, t->t_action);
    rs_write_short(savef, t->t_artifact);
    rs_write_short(savef, t->t_wand);
    rs_write_short(savef, t->t_summon);
    rs_write_short(savef, t->t_cast);
    rs_write_short(savef, t->t_breathe);

    rs_write_string(savef,t->t_name);
    rs_write_coord(savef, &t->t_doorgoal);

    if (t->t_dest == &hero)
    {
        rs_write_int(savef,0);
        rs_write_int(savef,1);
    }
    else if (t->t_dest != NULL)
    {
        i = find_thing_coord(mlist, t->t_dest);

        if (i >= 0)
        {
            rs_write_int(savef,1);
            rs_write_int(savef,i);
        }
        else
        {
            i = find_object_coord(lvl_obj, t->t_dest);

            if (i >= 0)
            {
                rs_write_int(savef,2);
                rs_write_int(savef,i);
            }
            else
            {
                rs_write_int(savef,0);
                rs_write_int(savef,1); /* chase the hero anyway */
            }
        }
    }
    else
    {
        rs_write_int(savef,0);
        rs_write_int(savef,0);
    }

    rs_write_coord(savef, &t->t_pos);
    rs_write_coord(savef, &t->t_oldpos);
    rs_write_coord(savef, &t->t_newpos);
    rs_write_ulongs(savef, t->t_flags, 16);

    DBG(("Thing\n"));
    DBG(("    SaveID  : %X\n",RSXR_THING));
    DBG(("    Name    : %s\n",t->t_name));
    DBG(("    WasShot : %d\n",t->t_wasshot));
    DBG(("    Type    : %c(%d)\n",t->t_type,t->t_type));
    DBG(("    Disguise: %c(%d)\n",t->t_disguise,t->t_disguise));
    DBG(("    OldCh   : %c(%d)\n",t->t_oldch,t->t_oldch));
    DBG(("    CType   : %d\n",t->t_ctype));
    DBG(("    Index   : %d\n",t->t_index));
    DBG(("    NoMove  : %d\n",t->t_no_move));
    DBG(("    Quiet   : %d\n",t->t_quiet));
    DBG(("    Movement: %d\n",t->t_movement));
    DBG(("    Action  : %d\n",t->t_action));
    DBG(("    Artifact: %d\n",t->t_artifact));
    DBG(("    Wand    : %d\n",t->t_wand));
    DBG(("    Summon  : %d\n",t->t_summon));
    DBG(("    Cast    : %d\n",t->t_cast));
    DBG(("    Breathe : %d\n",t->t_breathe));
    DBG(("    DoorGoal: %d %d\n",t->t_doorgoal.x,t->t_doorgoal.y));
    if (t->t_dest)
    {
        DBG(("    Dest    : %d %d\n",t->t_dest->x,t->t_dest->y));
    }
    else
    {
        DBG(("    Dest    : None\n"));
    }
    DBG(("    Pos     : %d %d\n",t->t_pos.x,t->t_pos.y));
    DBG(("    OldPos  : %d %d\n",t->t_oldpos.x,t->t_oldpos.y));
    DBG(("    NewPos  : %d %d\n",t->t_newpos.x,t->t_newpos.y));
    DBG(("    Flags   : "));
    { int i; for(i=0;i<16;i++) {DBG(("%d ",t->t_flags[i]));} DBG(("\n")); }

    rs_write_object_list(savef, t->t_pack);
    i = -1;
    if (t->t_using != NULL)
        i = find_list_ptr(t->t_pack, t->t_using->l_data);
    rs_write_int(savef, i);
    rs_write_stats(savef, &t->t_stats);
    rs_write_stats(savef, &t->maxstats);
    
    return(WRITESTAT);
}

rs_fix_thing(struct thing *t)
{
    struct linked_list *item;
    struct thing *tp;

    if (t->t_reserved < 0)
        return;

    item = get_list_item(mlist,t->t_reserved);

    if (item != NULL)
    {
        tp = THINGPTR(item);
        t->t_dest = &tp->t_pos;
    }
}

rs_read_thing(int inf, struct thing *t)
{
    int id;
    int listid = 0, index = -1;
    struct linked_list *item;
    
    if (rs_read_int(inf, &id) != 0)
    {
        if (id != RSXR_THING)
            format_error = TRUE;
        else
        {
            rs_read_boolean(inf,&t->t_wasshot);
            rs_read_uchar(inf, &t->t_type);
            rs_read_uchar(inf, &t->t_disguise);
            rs_read_uchar(inf, &t->t_oldch);
            rs_read_short(inf, &t->t_ctype);
            rs_read_short(inf, &t->t_index);
            rs_read_short(inf, &t->t_no_move);
            rs_read_short(inf, &t->t_quiet);
            rs_read_short(inf, &t->t_movement);
            rs_read_short(inf, &t->t_action);
            rs_read_short(inf, &t->t_artifact);
            rs_read_short(inf, &t->t_wand);
            rs_read_short(inf, &t->t_summon);
            rs_read_short(inf, &t->t_cast);
            rs_read_short(inf, &t->t_breathe);
            rs_read_new_string(inf,&t->t_name);
            rs_read_coord(inf,&t->t_doorgoal);

            rs_read_int(inf,&listid);
            rs_read_int(inf,&index);
            t->t_reserved = -1;
            if (listid == 0)
            {
                if (index == 1)
                    t->t_dest = &hero;
                else
                    t->t_dest = NULL;
            }
            else if (listid == 1)
            {
                t->t_dest     = NULL;
                t->t_reserved = index;
            }
            else if (listid == 2)
            {
                struct object *obj;
                item = get_list_item(lvl_obj,index);
                if (item != NULL)
                {
                    obj = OBJPTR(item);
                    t->t_dest = &obj->o_pos;
                }
            }
            else
                t->t_dest = NULL;

            rs_read_coord(inf,&t->t_pos);
            rs_read_coord(inf,&t->t_oldpos);
            rs_read_coord(inf,&t->t_newpos);
            rs_read_ulongs(inf,t->t_flags,16);
            rs_read_object_list(inf,&t->t_pack);
            rs_read_int(inf,&index);
            t->t_using = get_list_item(t->t_pack, index);
            rs_read_stats(inf,&t->t_stats);
            rs_read_stats(inf,&t->maxstats);
        }
    }
    else format_error = TRUE;
    
    return(READSTAT);
}

int
find_list_ptr(struct linked_list *l, void *ptr)
{
    int count = 0;

    while(l != NULL)
    {
        if (l->l_data == ptr)
            return(count);
            
        l = l->l_next;
        count++;
    }
    
    return(-1);
}


int
list_size(struct linked_list *l)
{
    int count = 0;
    
    while(l != NULL)
    {
        if (l->l_data == NULL)
            return(count);
            
        count++;
        
        l = l->l_next;
    }
    
    return(count);
}


rs_write_monster_list(FILE *savef, struct linked_list *l)
{
    int cnt = 0;
    
    DBG(("Monster List\n"));
    rs_write_int(savef, RSXR_MONSTERLIST);

    cnt = list_size(l);

    rs_write_int(savef, cnt);

    if (cnt < 1)
        return(WRITESTAT);

    while (l != NULL) {
        rs_write_thing(savef, (struct thing *)l->l_data);
        l = l->l_next;
    }
    
    return(WRITESTAT);
}

rs_fix_monster_list(list)
struct linked_list *list;
{
    struct linked_list *item;

    for(item = list; item != NULL; item = item->l_next)
        rs_fix_thing(THINGPTR(item));
}

rs_read_monster_list(int inf, struct linked_list **list)
{
    int id;
    int i, cnt;
    struct linked_list *l = NULL, *previous = NULL, *head = NULL;

    if (rs_read_int(inf,&id) != 0)
    {
        if (id != RSXR_MONSTERLIST)
        {
            printf("Invalid id. %x != %x(RSXR_MONSTERLIST)\n",
                id,RSXR_MONSTERLIST);
            printf("Sorry, invalid save game format");
            format_error = TRUE;
        }
        else if (rs_read_int(inf,&cnt) != 0)
        {
            for (i = 0; i < cnt; i++) 
            {
                l = new_item(sizeof(struct thing));
                l->l_prev = previous;
                if (previous != NULL)
                    previous->l_next = l;
                rs_read_thing(inf,(struct thing *)l->l_data);
                if (previous == NULL)
                    head = l;
                previous = l;
            }
        

            if (l != NULL)
                l->l_next = NULL;

            *list = head;
        }
    }
    else format_error = TRUE;
    
    return(READSTAT);
}

rs_write_magic_items(FILE *savef, struct magic_item *i, int count)
{
    int n;
    
    DBG(("Magic Items\n"));
    rs_write_int(savef, RSXR_MAGICITEMS);
    rs_write_int(savef, count);

    for(n=0;n<count;n++)
    {
        rs_write(savef,i[n].mi_name,sizeof(i[n].mi_name));
        rs_write_int(savef,i[n].mi_prob);
        rs_write_int(savef,i[n].mi_worth);
        rs_write_int(savef,i[n].mi_curse);
        rs_write_int(savef,i[n].mi_bless);
    }
    
    return(WRITESTAT);
}

rs_read_magic_items(int inf, struct magic_item *mi, int count)
{
    int id;
    int n;
    int value;

    if (rs_read_int(inf, &id) != 0)
    {
        if (id != RSXR_MAGICITEMS)
        {
            printf("Invalid id. %x != %x(RSXR_MAGICITEMS)\n",
                id,RSXR_MAGICITEMS);
            printf("Sorry, invalid save game format");
            format_error = TRUE;
        }   
        else if (rs_read_int(inf, &value) != 0)
        {
            if (value > count)
            {
                printf("Incorrect number of magic items in block. %d > %d.",
                    value,count);
                printf("Sorry, invalid save game format");
                format_error = TRUE;
            }
            else
            {
                for(n = 0; n < value; n++)
                {
                    rs_read(inf,mi[n].mi_name,sizeof(mi[n].mi_name));
                    rs_read_int(inf,&mi[n].mi_prob);
                    rs_read_int(inf,&mi[n].mi_worth);
                    rs_read_int(inf,&mi[n].mi_curse);
                    rs_read_int(inf,&mi[n].mi_bless);
                }
            }
        }
    }
    
    return(READSTAT);
}

rs_write_window(FILE *savef, WINDOW *win)
{
    int row,col,height,width;
    width = getmaxx(win);
    height = getmaxy(win);
    DBG(("Window\n"));
    rs_write_int(savef,height);
    rs_write_int(savef,width);
    
    for(row=0;row<height;row++)
        for(col=0;col<width;col++)
            rs_write_int(savef, mvwinch(win,row,col));
}

rs_read_window(int inf, WINDOW *win)
{
    int row,col,maxlines,maxcols,value,width,height;
    
    width = getmaxx(win);
    height = getmaxy(win);

    rs_read_int(inf,&maxlines);
    rs_read_int(inf,&maxcols);
    if (maxlines > height)
       abort();
    if (maxcols > width)
       abort();
    
    for(row=0;row<maxlines;row++)
        for(col=0;col<maxcols;col++)
        {
            rs_read_int(inf, &value);
            if ((value == '-') || (value == 196))
                value = HORZWALL;
            else if ((value == '|') || (value == 179))
                value = VERTWALL;
            mvwaddch(win,row,col,value);
        }

    return(READSTAT);
}

rs_save_file(FILE *savef)
{
    int i, weapon, armor, ring, misc, room = -1;
    int endian = 0x01020304;
    big_endian = ( *((char *)&endian) == 0x01 );

    rs_write_thing(savef, &player);                     /* rogue.c          */
    rs_write_object_list(savef, lvl_obj);               /* rogue.c          */
    rs_write_monster_list(savef, mlist);                /* rogue.c          */
    rs_write_monster_list(savef, tlist);                /* rogue.c          */
 
    rs_write_traps(savef, traps, MAXTRAPS);             /* rogue.c          */

    armor = find_list_ptr(player.t_pack, cur_armor);
    rs_write_int(savef, armor);                         /* rogue.c          */

    for (i = 0; i < NUM_FINGERS; i++)
    {
        ring = find_list_ptr(player.t_pack, cur_ring[i]);
        rs_write_int(savef, ring);                      /* rogue.c          */
    }

    for (i = 0; i < NUM_MM; i++)
    {
        misc = find_list_ptr(player.t_pack, cur_misc[i]);
        rs_write_int(savef, misc);                      /* rogue.c          */
    }

    for (i=0; i<MAXRELIC; i++)
       rs_write_int(savef,cur_relic[i]);                /* rogue.c          */


    rs_write_rooms(savef, rooms, MAXROOMS);             /* rogue.c          */

    for (i = 0; i < MAXROOMS; i++)
        if (&rooms[i] == oldrp)
            room = i;
    rs_write_int(savef, room);                          /* rogue.c          */

    weapon = find_list_ptr(player.t_pack, cur_weapon);
    rs_write_int(savef, weapon);                        /* rogue..c         */
    rs_write_int(savef,char_type);
    rs_write_int(savef,foodlev);
    rs_write_int(savef,ntraps);
    rs_write_int(savef,trader);
    rs_write_int(savef,curprice);
    rs_write_int(savef,seed);
    rs_write_int(savef,max_level);
    rs_write_int(savef,cur_max);
    rs_write_int(savef,prev_max);
    rs_write_int(savef,move_free);
    rs_write_int(savef,mpos);
    rs_write_int(savef,level);
    rs_write_long(savef,purse);
    rs_write_int(savef,inpack);
    rs_write_int(savef,total);
    rs_write_int(savef,no_food);
    rs_write_int(savef,foods_this_level);
    rs_write_int(savef,count);
    rs_write_int(savef,food_left);
    rs_write_int(savef,group);
    rs_write_int(savef,hungry_state);
    rs_write_int(savef,infest_dam);
    rs_write_int(savef,lost_str);
    rs_write_int(savef,lastscore);
    rs_write_int(savef,hold_count);
    rs_write_int(savef,trap_tries);
    rs_write_int(savef,chant_time);
    rs_write_int(savef,pray_time);
    rs_write_int(savef,spell_power);
    rs_write_long(savef,turns);
    rs_write_int(savef,quest_item);
    rs_write_int(savef,cols);
    rs_write_int(savef,lines);
    rs_write_int(savef,nfloors);
    rs_write(savef,curpurch,LINELEN);
    rs_write_char(savef,PLAYER);
    rs_write_char(savef,take);
    rs_write_int(savef,1234);/*checkpoint*/
    rs_write(savef,prbuf,LINELEN*2);
    rs_write_int(savef,1234);/*checkpoint*/
    rs_write_char(savef,runch);
    rs_write_int(savef,1234);/*checkpoint*/
    rs_write_scrolls(savef);
    rs_write_potions(savef);
    rs_write_rings(savef);
    rs_write_sticks(savef);
    rs_write_misc(savef);
    rs_write_int(savef,1234);/*checkpoint*/
    rs_write(savef,whoami,LINELEN);
    rs_write_window(savef, cw);
    rs_write_window(savef, hw);
    rs_write_window(savef, mw);
    rs_write_window(savef, msgw);
    rs_write_window(savef, stdscr);
    rs_write_boolean(savef,pool_teleport);
    rs_write_boolean(savef,inwhgt);
    rs_write_boolean(savef,after);
    rs_write_boolean(savef,waswizard);
    rs_write_boolean(savef, playing);                       /* rogue.h/init.c   */
    rs_write_boolean(savef, running);                       /* rogue.h/init.c   */
    rs_write_boolean(savef, wizard);                        /* rogue.h/init.c   */
    rs_write_boolean(savef, notify);                        /* rogue.h/init.c   */
    rs_write_boolean(savef, fight_flush);                   /* rogue.h/init.c   */
    rs_write_boolean(savef, terse);                         /* rogue.h/init.c   */
    rs_write_boolean(savef, auto_pickup);                     /* rogue.h/init.c   */
    rs_write_boolean(savef, def_attr);                     /* rogue.h/init.c   */
    rs_write_boolean(savef, menu_overlay);                     /* rogue.h/init.c   */
    rs_write_boolean(savef, door_stop);                     /* rogue.h/init.c   */
    rs_write_boolean(savef, jump);                          /* rogue.h/init.c   */
    rs_write_boolean(savef, slow_invent);                   /* rogue.h/init.c   */
    rs_write_boolean(savef, firstmove);                     /* rogue.h/init.c   */
    rs_write_boolean(savef, askme);                         /* rogue.h/init.c   */
    rs_write_boolean(savef, in_shell);                      /* rogue.h/init.c   */
    rs_write_boolean(savef, daytime);                      /* rogue.h/init.c   */
    rs_write_boolean(savef, funfont);                      /* rogue.h/init.c   */
    rs_write_levtype(savef,levtype); 
    rs_write_character_types(savef,char_class,NUM_CHARTYPES);
    rs_write_words(savef,abilities,NUMABILITIES);
    for(i=0;i<9;i++)
        rs_write_coord(savef,&grid[i]);
    rs_write_death_types(savef,deaths,DEATHNUM);
    rs_write_init_weps(savef,weaps,MAXWEAPONS);
    rs_write_init_armor(savef,armors,MAXARMORS);
    rs_write_magic_items(savef, things,   NUMTHINGS);   /* rogue.h/init.c   */
    rs_write_magic_items(savef, s_magic,  MAXSCROLLS);  /* rogue.h/init.c   */
    rs_write_magic_items(savef, p_magic,  MAXPOTIONS);  /* rogue.h/init.c   */
    rs_write_magic_items(savef, r_magic,  MAXRINGS);    /* rogue.h/init.c   */
    rs_write_magic_items(savef, ws_magic, MAXSTICKS);   /* rogue.h/init.c   */   
    rs_write_magic_items(savef, m_magic, MAXMM);   /* rogue.h/init.c   */
    rs_write_magic_items(savef, rel_magic, MAXRELIC);   /* rogue.h/init.c   */
    rs_write_magic_items(savef, foods, MAXFOODS);   /* rogue.h/init.c   */
    rs_write_spells(savef,magic_spells,MAXSPELLS);
    rs_write_spells(savef,cleric_spells,MAXPRAYERS);
    rs_write_spells(savef,druid_spells,MAXCHANTS);
    rs_write_spells(savef,quill_scrolls,MAXQUILL);

    rs_write_int(savef,mf_count);                           /* actions.c        */
    rs_write_int(savef,mf_jmpcnt);                          /* actions.c        */
    rs_write_daemons(savef, d_list, MAXDAEMONS);            /* daemon.c         */
    rs_write_daemons(savef, f_list, MAXFUSES);              /* daemon.c         */
    rs_write_int(savef,demoncnt);                           /* daemon.c         */
    rs_write_int(savef,fusecnt);                            /* daemon.c         */
    rs_write_int(savef,killed_chance);                      /* fight.c          */
    rs_write_words(savef,rainbow,NCOLORS);                  /* init.c   */
    rs_write_words(savef,sylls,NSYLLS);                     /* init.c   */
    rs_write_words(savef,stones,NSTONES);                   /* init.c   */
    rs_write_words(savef,wood,NWOOD);                       /* init.c   */
    rs_write_words(savef,metal,NMETAL);                     /* init.c   */
    rs_write_monsters(savef,monsters,
        sizeof(monsters)/sizeof(struct monster));           /* mons_def.c       */
    rs_write_coord(savef,&move_nh);                         /* move.c           */
    return(WRITESTAT);
}

rs_restore_file(int inf)
{
    int weapon, armor, ring, misc, room = -1,i,checkpoint;
    int endian = 0x01020304;
    big_endian = ( *((char *)&endian) == 0x01 );
    
    rs_read_thing(inf, &player);                        /* rogue.h          */
    rs_read_object_list(inf, &lvl_obj);                 /* rogue.h/init.c   */
    rs_read_monster_list(inf, &mlist);                  /* rogue.h/init.c   */
    rs_read_monster_list(inf, &tlist);                  /* rogue.h/init.c   */
    rs_fix_thing(&player);
    rs_fix_monster_list(mlist);
    rs_read_traps(inf, traps, MAXTRAPS);


    rs_read_int(inf, &armor);                           /* rogue.h          */
    cur_armor = get_list_item(player.t_pack,armor);

    for(i = 0; i < NUM_FINGERS; i++)
    {
        rs_read_int(inf,&ring);
        cur_ring[i] = get_list_item(player.t_pack,ring);
    }

    for(i = 0; i < NUM_MM; i++)
    {
        rs_read_int(inf,&misc);
        cur_misc[i] = get_list_item(player.t_pack,misc);
    }

    for(i=0;i<MAXRELIC;i++)
        rs_read_int(inf,&cur_relic[i]);

    rs_read_rooms(inf, rooms, MAXROOMS);
    rs_read_int(inf, &room);
    
    oldrp = &rooms[room];

    rs_read_int(inf,&weapon);   
    cur_weapon = get_list_item(player.t_pack,weapon);

    rs_read_int(inf,&char_type);
    rs_read_int(inf,&foodlev);
    rs_read_int(inf,&ntraps);
    rs_read_int(inf,&trader);
    rs_read_int(inf,&curprice);
    rs_read_int(inf,&seed);
    rs_read_int(inf,&max_level);
    rs_read_int(inf,&cur_max);
    rs_read_int(inf,&prev_max);
    rs_read_int(inf,&move_free);
    rs_read_int(inf,&mpos);
    rs_read_int(inf,&level);
    rs_read_long(inf,&purse);
    rs_read_int(inf,&inpack);
    rs_read_int(inf,&total);
    rs_read_int(inf,&no_food);
    rs_read_int(inf,&foods_this_level);
    rs_read_int(inf,&count);
    rs_read_int(inf,&food_left);
    rs_read_int(inf,&group);
    rs_read_int(inf,&hungry_state);
    rs_read_int(inf,&infest_dam);
    rs_read_int(inf,&lost_str);
    rs_read_int(inf,&lastscore);
    rs_read_int(inf,&hold_count);
    rs_read_int(inf,&trap_tries);
    rs_read_int(inf,&chant_time);
    rs_read_int(inf,&pray_time);
    rs_read_int(inf,&spell_power);
    rs_read_long(inf,&turns);
    rs_read_int(inf,&quest_item);
    rs_read_int(inf,&cols);
    rs_read_int(inf,&lines);
    rs_read_int(inf,&nfloors);
    rs_read(inf,curpurch,LINELEN);
    rs_read_char(inf,&PLAYER);
    rs_read_char(inf,&take);
    rs_read_int(inf,&checkpoint);
    if (checkpoint != 1234){printf("Checkpoint failed");abort();}
    rs_read(inf,prbuf,LINELEN*2);
    rs_read_int(inf,&checkpoint);
    if (checkpoint != 1234){printf("Checkpoint failed");abort();}
    rs_read_char(inf,&runch);
    rs_read_int(inf,&checkpoint);
    if (checkpoint != 1234){printf("Checkpoint failed");abort();}
    rs_read_scrolls(inf);
    rs_read_potions(inf);
    rs_read_rings(inf);
    rs_read_sticks(inf);
    rs_read_misc(inf);
    rs_read_int(inf,&checkpoint);
    if (checkpoint != 1234){printf("Checkpoint failed");abort();}
    rs_read(inf,whoami,LINELEN);
    rs_read_window(inf, cw);
    rs_read_window(inf, hw);
    rs_read_window(inf, mw);
    rs_read_window(inf, msgw);
    rs_read_window(inf, stdscr);
    rs_read_boolean(inf,&pool_teleport);
    rs_read_boolean(inf,&inwhgt);
    rs_read_boolean(inf,&after);
    rs_read_boolean(inf,&waswizard);
    rs_read_boolean(inf, &playing);                       /* rogue.h/init.c   */
    rs_read_boolean(inf, &running);                       /* rogue.h/init.c   */
    rs_read_boolean(inf, &wizard);                        /* rogue.h/init.c   */
    rs_read_boolean(inf, &notify);                        /* rogue.h/init.c   */
    rs_read_boolean(inf, &fight_flush);                   /* rogue.h/init.c   */
    rs_read_boolean(inf, &terse);                         /* rogue.h/init.c   */
    rs_read_boolean(inf, &auto_pickup);                     /* rogue.h/init.c   */
    rs_read_boolean(inf, &def_attr);                     /* rogue.h/init.c   */
    rs_read_boolean(inf, &menu_overlay);                     /* rogue.h/init.c   */
    rs_read_boolean(inf, &door_stop);                     /* rogue.h/init.c   */
    rs_read_boolean(inf, &jump);                          /* rogue.h/init.c   */
    rs_read_boolean(inf, &slow_invent);                   /* rogue.h/init.c   */
    rs_read_boolean(inf, &firstmove);                     /* rogue.h/init.c   */
    rs_read_boolean(inf, &askme);                         /* rogue.h/init.c   */
    rs_read_boolean(inf, &in_shell);                      /* rogue.h/init.c   */
    rs_read_boolean(inf, &daytime);                      /* rogue.h/init.c   */
    rs_read_boolean(inf, &funfont);                      /* rogue.h/init.c   */
    rs_read_levtype(inf,&levtype);
    rs_read_character_types(inf,char_class,NUM_CHARTYPES);
    rs_read_words(inf,abilities,NUMABILITIES);
    for(i=0;i<9;i++)
        rs_read_coord(inf,&grid[i]);
    rs_read_death_types(inf,deaths,DEATHNUM);
    rs_read_init_weps(inf,weaps,MAXWEAPONS);
    rs_read_init_armor(inf,armors,MAXARMORS);
    rs_read_magic_items(inf, things,NUMTHINGS);         /* rogue.h/init.c   */
    rs_read_magic_items(inf, s_magic,MAXSCROLLS);       /* rogue.h/init.c   */
    rs_read_magic_items(inf, p_magic,MAXPOTIONS);       /* rogue.h/init.c   */
    rs_read_magic_items(inf, r_magic,MAXRINGS);         /* rogue.h/init.c   */
    rs_read_magic_items(inf, ws_magic,MAXSTICKS);       /* rogue.h/init.c   */
    rs_read_magic_items(inf, m_magic,MAXMM);       /* rogue.h/init.c   */
    rs_read_magic_items(inf, rel_magic,MAXRELIC);       /* rogue.h/init.c   */
    rs_read_magic_items(inf, foods,MAXFOODS);       /* rogue.h/init.c   */
    rs_read_spells(inf,magic_spells,MAXSPELLS);
    rs_read_spells(inf,cleric_spells,MAXPRAYERS);
    rs_read_spells(inf,druid_spells,MAXCHANTS);
    rs_read_spells(inf,quill_scrolls,MAXQUILL);

    rs_read_int(inf,&mf_count);                             /* actions.c        */
    rs_read_int(inf,&mf_jmpcnt);                            /* actions.c        */
    rs_read_daemons(inf, d_list, MAXDAEMONS);               /* daemon.c         */
    rs_read_daemons(inf, f_list, MAXFUSES);                 /* daemon.c         */
    rs_read_int(inf,&demoncnt);                             /* daemon.c         */
    rs_read_int(inf,&fusecnt);                              /* daemon.c         */
    rs_read_int(inf,&killed_chance);                        /* fight.c          */
    rs_read_words(inf,rainbow,NCOLORS);                     /* init.c   */
    rs_read_words(inf,sylls,NSYLLS);                        /* init.c   */
    rs_read_words(inf,stones,NSTONES);                      /* init.c   */
    rs_read_words(inf,wood,NWOOD);                          /* init.c   */
    rs_read_words(inf,metal,NMETAL);                        /* init.c   */

    rs_read_monsters(inf,monsters,
        sizeof(monsters)/sizeof(struct monster));           /* mons_def.c       */
    rs_read_coord(inf,&move_nh);                            /* move.c           */

    return(READSTAT);
}

rs_write_scorefile(FILE *savef, struct sc_ent *entries, int count)
{
    int i;

    rs_write_int(savef, count);
    for(i = 0; i < count; i++)
    {
        rs_write_ulong(savef, entries[i].sc_score);
        rs_write(savef, entries[i].sc_name, sizeof(entries[i].sc_name));
        rs_write(savef, entries[i].sc_system, sizeof(entries[i].sc_system));
        rs_write(savef, entries[i].sc_login, sizeof(entries[i].sc_login));
        rs_write_short(savef, entries[i].sc_flags);
        rs_write_short(savef, entries[i].sc_level);
        rs_write_short(savef, entries[i].sc_ctype);
        rs_write_short(savef, entries[i].sc_monster);
        rs_write_short(savef, entries[i].sc_quest);
    }
}

rs_read_scorefile(FILE *savef, struct sc_ent *entries, int count)
{
    int i,available = 0;

    rs_read_int(fileno(savef), &available);

    if (end_of_file)
       return(-1);

    if (available != count)
       return(-2);

    for(i = 0; i < count; i++)
    {
        rs_read_ulong(fileno(savef), &entries[i].sc_score);
        rs_read(fileno(savef), entries[i].sc_name, sizeof(entries[i].sc_name));
        rs_read(fileno(savef), entries[i].sc_system, sizeof(entries[i].sc_system));
        rs_read(fileno(savef), entries[i].sc_login, sizeof(entries[i].sc_login));
        rs_read_short(fileno(savef), &entries[i].sc_flags);
        rs_read_short(fileno(savef), &entries[i].sc_level);
        rs_read_short(fileno(savef), &entries[i].sc_ctype);
        rs_read_short(fileno(savef), &entries[i].sc_monster);
        rs_read_short(fileno(savef), &entries[i].sc_quest);
    }

    return(0);
}



rs_print_thing(FILE *outf, struct thing *thing, char *prefix, int list, int index)
{
    int i;

    fprintf(outf,"%sList Ident : %d\n", prefix, list);
    fprintf(outf,"%sList Index : %d\n", prefix, index);
    fprintf(outf,"%st_wasshot  : %d\n", prefix, thing->t_wasshot);
    fprintf(outf,"%st_type     : %c\n", prefix, thing->t_type);
    fprintf(outf,"%st_disguise : %c\n", prefix, thing->t_disguise);
    fprintf(outf,"%st_oldch    : %c\n", prefix, thing->t_oldch);
    fprintf(outf,"%st_ctype    : %d\n", prefix, thing->t_ctype);
    fprintf(outf,"%st_index    : %d\n", prefix, thing->t_index);
    fprintf(outf,"%st_no_move  : %d\n", prefix, thing->t_no_move);
    fprintf(outf,"%st_quiet    : %d\n", prefix, thing->t_quiet);
    fprintf(outf,"%st_movement : %d\n", prefix, thing->t_movement);
    fprintf(outf,"%st_action   : %d\n", prefix, thing->t_action);
    fprintf(outf,"%st_artificat: %d\n", prefix, thing->t_artifact);
    fprintf(outf,"%st_wand     : %d\n", prefix, thing->t_wand);
    fprintf(outf,"%st_summon   : %d\n", prefix, thing->t_summon);
    fprintf(outf,"%st_cast     : %d\n", prefix, thing->t_cast);
    fprintf(outf,"%st_breathe  : %d\n", prefix, thing->t_breathe);
    fprintf(outf,"%st_name     : %s\n", prefix, (thing->t_name == NULL) ? "none" :
                                                thing->t_name);
    fprintf(outf,"%st_doorgoal : %d %d\n", prefix, thing->t_doorgoal.x, thing->t_doorgoal.y);
    fprintf(outf,"%st_dest     : %p\n", prefix, thing->t_dest);
    fprintf(outf,"%st_pos      : %d %d (%p)\n", prefix, thing->t_pos.x, thing->t_pos.y,&thing->t_pos);
    fprintf(outf,"%st_oldpos   : %d %d\n", prefix, thing->t_oldpos.x, thing->t_oldpos.y);
    fprintf(outf,"%st_newpos   : %d %d\n", prefix, thing->t_newpos.x, thing->t_newpos.y);
    fprintf(outf,"%st_flags    : ", prefix);

    for(i = 0; i<16; i++)
        fprintf(outf,"%X ",thing->t_flags[i]);
    fprintf(outf,"\n");

    fprintf(outf,"%st_pack     : %p\n",prefix,thing->t_pack);
    fprintf(outf,"%st_using    : %p\n",prefix,thing->t_using);
    fprintf(outf,"%st_stats    : Not Implemented\n",prefix);
    fprintf(outf,"%st_maxstats : Not Implemented\n",prefix);
    fprintf(outf,"%st_reserved : %d\n",prefix,thing->t_reserved);
}

rs_print_game_state(FILE *outf)
{
    fprintf(outf, "Player\n");

    rs_print_thing(outf, &player, "    ", 0, 0);
}

/****
 Machine Dependent Functions

 md_getuid()
 md_memused()
 md_getusername()
 md_gethostname()
 md_gethomedir()
 md_getroguedir()
 md_getshell()
 md_shellescape()
 md_getpass()
 md_crypt()
 md_htons()
 md_nstoh()
 md_unlink()
 md_isdir()
 md_ntohl()
 md_htonl()

****/

int
md_rand(range)
register int range;
{
#ifdef _WIN32
    return(range <= 0 ? 0 : rand() % range);
#else
    return(range <= 0 ? 0 : random() % range);
#endif
}

int
md_srand(seed)
register int seed;
{
#ifdef _WIN32
    srand(seed);
#else
    srandom(seed);
#endif
}

void 
md_flushinp()
{
    /* ioctl(0,TIOCFLUSH) */
    /* ioctl(_tty_ch,TCFLSH,0) */
    flushinp();
}

int
md_getuid()
{
#ifdef _WIN32
    return(42);
#else
    return(getuid());
#endif
}

long
md_memused()
{
#ifdef _WIN32
    MEMORYSTATUS stat;

    GlobalMemoryStatus(&stat);

    return((long)stat.dwTotalPageFile);
#else
    return( (long)sbrk(0) );
#endif
}

char *
md_getusername()
{
    static char login[80];
    char *l = NULL;
#ifdef _WIN32
    LPSTR mybuffer;
    DWORD size = UNLEN + 1;
    TCHAR buffer[UNLEN + 1];

    mybuffer = buffer;
    GetUserName(mybuffer,&size);
    l = mybuffer;
#endif
#if !defined(_WIN32) && !defined(DJGPP)
    struct passwd *pw;

    pw = getpwuid(getuid());

    if (pw != NULL)
        l = pw->pw_name;
#endif

    if ((l == NULL) || (*l == '\0'))
        if ( (l = getenv("USERNAME")) == NULL )
            if ( (l = getenv("LOGNAME")) == NULL )
                if ( (l = getenv("USER")) == NULL )
                    l = "nobody";

    strncpy(login,l,80);
    login[79] = 0;

    return(login);
}

char *
md_gethomedir()
{
    static char homedir[PATH_MAX];
    char *h = NULL;
    size_t len;
#if defined(_WIN32)
    TCHAR szPath[MAX_PATH];
#endif
#if defined(_WIN32) || defined(DJGPP)
	char slash = '\\'; 
#else
    char slash = '/';
    struct passwd *pw;
    pw = getpwuid(getuid());

    if (pw != NULL)
    {
        h = pw->pw_dir;
        if (strcmp(h,"/") == 0)
            h = NULL;
    }
#endif
    homedir[0] = 0;
	
#ifdef _WIN32	
	if(SUCCEEDED(SHGetFolderPath(NULL, CSIDL_PERSONAL, NULL, 0, szPath))) 
		h = szPath;
#endif

	if ( (h == NULL) || (*h == '\0') )
        if ( (h = getenv("HOME")) == NULL ) 
            if ( (h = getenv("HOMEDRIVE")) == NULL) 
                h = "";
            else
            {
                strncpy(homedir,h,PATH_MAX-1);
                homedir[PATH_MAX-1] = 0;
      
                if ( (h = getenv("HOMEPATH")) == NULL)
                    h = "";
            }


    len = strlen(homedir);
    strncat(homedir,h,PATH_MAX-len-1);
    len = strlen(homedir);

    if ((len > 0) && (homedir[len-1] != slash)) {
        homedir[len] = slash;
        homedir[len+1] = 0;
    }

    return(homedir);
}

int
directory_exists(char *dirname)
{
    struct stat sb;

    if (stat(dirname, &sb) == 0) /* path exists */
        return (sb.st_mode & S_IFDIR);

    return(0);
}

char *
md_getroguedir()
{
    static char path[1024];
    char *end,*home;

    if ( (home = getenv("ROGUEHOME")) != NULL)
    {
        if (*home)
        {
            strncpy(path, home, PATH_MAX - 20);

            end = &path[strlen(path)-1];


            while( (end >= path) && ((*end == '/') || (*end == '\\')))
                *end-- = '\0';

            if (directory_exists(path))
                return(path);
        }
    }

    if (directory_exists("/var/games/roguelike"))
        return("/var/games/roguelike");
    if (directory_exists("/var/lib/roguelike"))
        return("/var/lib/roguelike");
    if (directory_exists("/var/roguelike"))
        return("/var/roguelike");
    if (directory_exists("/usr/games/lib"))
        return("/usr/games/lib");
    if (directory_exists("/games/roguelik"))
        return("/games/roguelik");

    return("");
}

char *
md_getshell()
{
    static char shell[PATH_MAX];
    char *s = NULL;
#ifdef _WIN32
    char *def = "C:\\WINDOWS\\SYSTEM32\\CMD.EXE";
#elif defined(__DJGPP__)
    char *def = "C:\\COMMAND.COM";
#else
    char *def = "/bin/sh";
    struct passwd *pw;
    pw = getpwuid(getuid());
    if (pw != NULL)
        s = pw->pw_shell;
#endif
    if ((s == NULL) || (*s == '\0'))
        if ( (s = getenv("COMSPEC")) == NULL) 
            if ( (s = getenv("SHELL")) == NULL) 
                if ( (s = getenv("SystemRoot")) == NULL)
                    s = def;

    strncpy(shell,s,PATH_MAX);
    shell[PATH_MAX-1] = 0;

    return(shell);
}

char *
md_gethostname()
{
    static char nodename[80];
    char *n = NULL;
#if !defined(_WIN32) && !defined(__DJGPP__)
    struct utsname ourname;

    if (uname(&ourname) == 0)
        n = ourname.nodename;
#endif
    if ((n == NULL) || (*n == '\0'))
        if ( (n = getenv("COMPUTERNAME")) == NULL)
            if ( (n = getenv("HOSTNAME")) == NULL)
                n = "localhost";

    strncpy(nodename, n, 80);
    nodename[79] = 0;

    return(nodename);
}

int
md_shellescape()
{
#if (!defined(_WIN32) && !defined(__DJGPP__))
    int ret_status;
	int pid;
#endif
    char *sh;

	sh = md_getshell();

#if defined(_WIN32) 
    return(_spawnl(_P_WAIT,sh,"shell",NULL,0));
#elif defined(__DJGPP__)
    return ( spawnl(P_WAIT,sh,"shell",NULL,0) );
#else
    while((pid = fork()) < 0)
        sleep(1);

    if (pid == 0) /* Shell Process */
    {
        /*
         * Set back to original user, just in case
         */
        setuid(getuid());
        setgid(getgid());
        execl(sh == NULL ? "/bin/sh" : sh, "shell", "-i", 0);
        perror("No shelly");
        _exit(-1);
    }
    else /* Application */
    {
        while (wait(&ret_status) != pid)
            continue;
    }

    return(ret_status);
#endif
}

int
md_erasechar()
{
/*
    return(_tty.sg_erase);
    return(_tty.c_cc[VERASE]);
*/
    return(erasechar());
}

int
md_killchar()
{
/*
    return(_tty.sg_kill);
    return(_tty.c_cc[VKILL]);
*/
    return(killchar());
}

long
md_ntohl(netlong)
long netlong;
{
    return( ntohl(netlong) );
}

long
md_htonl(netlong)
long netlong;
{
    return(htonl(netlong));
}

void
md_init()
{
#ifdef __INTERIX
    char *term;

    term = getenv("TERM");

    if (term == NULL)
        setenv("TERM","interix");
#endif
#if defined(__DJGPP__) || defined(_WIN32)
    _fmode = _O_BINARY;
#endif
}

char *
md_getpass(prompt)
char *prompt;
{
#ifdef _WIN32
    static char password_buffer[9];
    char *p = password_buffer;
    int c, count = 0;
    int max_length = 9;

    fflush(stdout);
    /* If we can't prompt, abort */
    if (fputs(prompt, stderr) < 0)
    {
        *p = '\0';
        return NULL;
    }

    for(;;)
    {
        /* Get a character with no echo */
        c = _getch();

        /* Exit on interrupt (^c or ^break) */
        if (c == '\003' || c == 0x100)
            exit(1);

        /* Terminate on end of line or file (^j, ^m, ^d, ^z) */
        if (c == '\r' || c == '\n' || c == '\004' || c == '\032')
            break;

        /* Back up on backspace */
        if (c == '\b')
        {
            if (count)
                count--;
            else if (p > password_buffer)
	        p--;
            continue;
        }

        /* Ignore DOS extended characters */
        if ((c & 0xff) != c)
            continue;

        /* Add to password if it isn't full */
        if (p < password_buffer + max_length - 1)
            *p++ = c;
        else
            count++;
    }
   *p = '\0';

   fputc('\n', stderr);

   return password_buffer;
#else
   return( (char *) getpass(prompt) );
#endif
}

#ifdef SIGTSTP

/*
 * handle stop and start signals
 */

/*UNUSED*/
void 
tstp(a)
int a;
{
    mvcur(0, cols - 1, lines - 1, 0);
    fflush(stdout);
    kill(0, SIGTSTP);
    signal(SIGTSTP, tstp);
    crmode();
    noecho();
    clearok(curscr, TRUE);
    touchwin(cw);
    draw(cw);
    flushinp();
}
#endif

int
md_setup()
{
#ifdef SIGTSTP
    signal(SIGTSTP, tstp);
#endif
#ifdef SIGHUP
    signal(SIGHUP, auto_save);
#endif
    signal(SIGTERM, auto_save);
    signal(SIGINT, quit);
#ifdef SIGQUIT
    signal(SIGQUIT, endit);
#endif
#if defined(__CYGWIN__) || defined(__MSYS__)
    ESCDELAY = 250;
#endif
    nonl();
    crmode();                        /* Cbreak mode */
    noecho();                           /* Echo off */
}

int
md_normaluser(void)
{
#ifndef _WIN32
    setuid(getuid());
    setgid(getgid());
#endif
}