--- a/srogue/io.c	Thu Jan 28 18:55:47 2016 -0500
+++ b/srogue/io.c	Sun Jan 31 13:45:07 2016 -0500
@@ -20,7 +20,7 @@
 #include "rogue.h"
 #include "rogue.ext"
 
-int md_readchar(WINDOW *win);
+void doadd(char *fmt, va_list ap);
 
 /*
  * msg:
@@ -29,6 +29,7 @@
 static char msgbuf[BUFSIZ];
 static int newpos = 0;
 
+void
 msg(char *fmt, ...)
 {
 	va_list ap;
@@ -54,6 +55,7 @@
  * addmsg:
  *	Add things to the current message
  */
+void
 addmsg(char *fmt, ...)
 {
 	va_list ap;
@@ -68,7 +70,8 @@
  * 	Display a new msg, giving him a chance to see the
  *	previous one if it is up there with the --More--
  */
-endmsg()
+void
+endmsg(void)
 {
 	strcpy(huh, msgbuf);
 	if (mpos > 0) {
@@ -88,6 +91,7 @@
  * doadd:
  *	Perform a printf into a buffer
  */
+void
 doadd(char *fmt, va_list ap)
 {
 	vsprintf(&msgbuf[newpos], fmt, ap);
@@ -98,8 +102,8 @@
  * step_ok:
  *	Returns TRUE if it is ok to step on ch
  */
-step_ok(ch)
-unsigned char ch;
+bool
+step_ok(unsigned char ch)
 {
 	if (dead_end(ch))
 		return FALSE;
@@ -113,8 +117,8 @@
  * dead_end:
  *	Returns TRUE if you cant walk through that character
  */
-dead_end(ch)
-char ch;
+bool
+dead_end(char ch)
 {
 	if (ch == '-' || ch == '|' || ch == ' ' || ch == SECRETDOOR)
 		return TRUE;
@@ -129,7 +133,8 @@
  *	getchar.
  */
 
-readchar()
+int
+readchar(void)
 {
 	char c;
 
@@ -148,8 +153,8 @@
  * status:
  *	Display the important stats line.  Keep the cursor where it was.
  */
-status(fromfuse)
-int fromfuse;
+void
+status(int fromfuse)
 {
 	reg int totwght, carwght;
 	reg struct real *stef, *stre, *stmx;
@@ -220,7 +225,8 @@
  * dispmax:
  *	Display the hero's maximum status
  */
-dispmax()
+void
+dispmax(void)
 {
 	reg struct real *hmax;
 
@@ -233,8 +239,8 @@
  * illeg_ch:
  * 	Returns TRUE if a char shouldn't show on the screen
  */
-illeg_ch(ch)
-unsigned char ch;
+bool
+illeg_ch(unsigned char ch)
 {
 	if (ch < 32 || ch > 127)
 		return TRUE;
@@ -247,9 +253,8 @@
  * wait_for:
  *	Sit around until the guy types the right key
  */
-wait_for(win,ch)
-WINDOW *win;
-char ch;
+void
+wait_for(WINDOW *win, char ch)
 {
 	register char c;
 
@@ -293,9 +298,8 @@
  * dbotline:
  *	Displays message on bottom line and waits for a space to return
  */
-dbotline(scr,message)
-WINDOW *scr;
-char *message;
+void
+dbotline(WINDOW *scr, char *message)
 {
 	mvwaddstr(scr,LINES-1,0,message);
 	draw(scr);
@@ -307,8 +311,8 @@
  * restscr:
  *	Restores the screen to the terminal
  */
-restscr(scr)
-WINDOW *scr;
+void
+restscr(WINDOW *scr)
 {
 	clearok(scr,TRUE);
 	touchwin(scr);
@@ -318,8 +322,8 @@
  * npch:
  *	Get the next char in line for inventories
  */
-npch(ch)
-char ch;
+char
+npch(char ch)
 {
 	reg char nch;
 	if (ch >= 'z')