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annotate rogue5/scmisc.c @ 201:6fb21004a981

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Fix some preprocessor directives. Include process.h in the right place, and use the correct definition of PATH_MAX, when compiling on Windows.
author John "Elwin" Edwards
date Wed, 12 Aug 2015 16:56:19 -0400
parents f502bf60e6e4
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
33
f502bf60e6e4 Import Rogue 5.4 from the Roguelike Restoration Project (r1490)
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1 /*
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2 * copies of several routines needed for score
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3 *
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4 * @(#)smisc.c 4.7 (Berkeley) 02/05/99
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5 *
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6 * Rogue: Exploring the Dungeons of Doom
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7 * Copyright (C) 1980-1983, 1985, 1999 Michael Toy, Ken Arnold and Glenn Wichman
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8 * All rights reserved.
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9 *
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10 * See the file LICENSE.TXT for full copyright and licensing information.
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11 */
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12
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13 # include <stdio.h>
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14 # include <sys/types.h>
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15 # include <sys/stat.h>
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16 # include <ctype.h>
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17
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18 # define TRUE 1
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19 # define FALSE 0
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20 # define MAXSTR 80
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21 # define when break;case
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22 # define otherwise break;default
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23
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24 typedef struct {
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25 char *m_name;
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26 } MONST;
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27
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28 char *s_vowelstr();
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29
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30 char *lockfile = "/tmp/.fredlock";
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31
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32 char prbuf[MAXSTR]; /* buffer for sprintfs */
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33
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34 MONST monsters[] = {
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35 { "aquator" }, { "bat" }, { "centaur" }, { "dragon" }, { "emu" },
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36 { "venus flytrap" }, { "griffin" }, { "hobgoblin" }, { "ice monster" },
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37 { "jabberwock" }, { "kobold" }, { "leprechaun" }, { "medusa" },
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38 { "nymph" }, { "orc" }, { "phantom" }, { "quasit" }, { "rattlesnake" },
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39 { "snake" }, { "troll" }, { "ur-vile" }, { "vampire" }, { "wraith" },
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40 { "xeroc" }, { "yeti" }, { "zombie" }
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41 };
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42
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43 /*
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44 * s_lock_sc:
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45 * lock the score file. If it takes too long, ask the user if
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46 * they care to wait. Return TRUE if the lock is successful.
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47 */
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48 int
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49 s_lock_sc(void)
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50 {
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51 int cnt;
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52 struct stat sbuf;
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53
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54 over:
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55 close(8); /* just in case there are no files left */
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56 if (creat(lockfile, 0000) >= 0)
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57 return TRUE;
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58 for (cnt = 0; cnt < 5; cnt++)
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59 {
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60 md_sleep(1);
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61 if (creat(lockfile, 0000) >= 0)
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62 return TRUE;
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63 }
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64 if (stat(lockfile, &sbuf) < 0)
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65 {
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66 creat(lockfile, 0000);
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67 return TRUE;
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68 }
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69 if (time(NULL) - sbuf.st_mtime > 10)
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70 {
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71 if (md_unlink(lockfile) < 0)
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72 return FALSE;
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73 goto over;
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74 }
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75 else
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76 {
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77 printf("The score file is very busy. Do you want to wait longer\n");
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78 printf("for it to become free so your score can get posted?\n");
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79 printf("If so, type \"y\"\n");
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80 (void) fgets(prbuf, MAXSTR, stdin);
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81 if (prbuf[0] == 'y')
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82 for (;;)
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83 {
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84 if (creat(lockfile, 0000) >= 0)
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85 return TRUE;
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86 if (stat(lockfile, &sbuf) < 0)
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87 {
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88 creat(lockfile, 0000);
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89 return TRUE;
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90 }
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91 if (time(NULL) - sbuf.st_mtime > 10)
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92 {
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93 if (md_unlink(lockfile) < 0)
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94 return FALSE;
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95 }
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96 md_sleep(1);
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97 }
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98 else
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99 return FALSE;
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100 }
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101 }
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102
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103 /*
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104 * s_unlock_sc:
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105 * Unlock the score file
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106 */
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107 void
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108 s_unlock_sc(void)
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109 {
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110 md_unlink(lockfile);
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111 }
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112
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113 /*
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114 * s_encwrite:
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115 * Perform an encrypted write
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116 */
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117 void
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118 s_encwrite(char *start, size_t size, FILE *outf)
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119 {
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120 char *e1, *e2, fb;
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121 int temp;
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122
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123 e1 = encstr;
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124 e2 = statlist;
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125 fb = 0;
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126
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127 while (size--)
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128 {
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129 putc(*start++ ^ *e1 ^ *e2 ^ fb, outf);
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130 temp = *e1++;
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131 fb += temp * *e2++;
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132 if (*e1 == '\0')
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133 e1 = encstr;
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134 if (*e2 == '\0')
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135 e2 = statlist;
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136 }
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137 }
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138
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139 /*
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140 * s_encread:
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141 * Perform an encrypted read
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142 */
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143
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144 s_encread(char *start, size_t size, int inf)
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145 {
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146 char *e1, *e2, fb;
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147 int temp;
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148 int read_size;
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149
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150 fb = 0;
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151
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152 if ((read_size = read(inf, start, size)) == 0 || read_size == -1)
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153 return;
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154
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155 e1 = encstr;
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156 e2 = statlist;
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157
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158 while (size--)
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159 {
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160 *start++ ^= *e1 ^ *e2 ^ fb;
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161 temp = *e1++;
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162 fb += temp * *e2++;
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163 if (*e1 == '\0')
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164 e1 = encstr;
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165 if (*e2 == '\0')
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166 e2 = statlist;
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167 }
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168 }
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169
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170 /*
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171 * s_killname:
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172 * Convert a code to a monster name
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173 */
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174 char *
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175 s_killname(int monst, int doart)
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176 {
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177 char *sp;
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178 int article;
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179
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180 article = TRUE;
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181 switch (monst)
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182 {
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183 case 'a':
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184 sp = "arrow";
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185 when 'b':
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186 sp = "bolt";
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187 when 'd':
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188 sp = "dart";
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189 when 's':
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190 sp = "starvation";
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191 article = FALSE;
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192 when 'h':
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193 sp = "hypothermia";
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194 article = FALSE;
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195 otherwise:
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196 if (isupper(monst))
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197 sp = monsters[monst-'A'].m_name;
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198 else
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199 {
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200 sp = "God";
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201 article = FALSE;
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202 }
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203 }
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204 if (doart && article)
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205 sprintf(prbuf, "a%s ", s_vowelstr(sp));
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206 else
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207 prbuf[0] = '\0';
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208 strcat(prbuf, sp);
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209 return prbuf;
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210 }
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211
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212 /*
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213 * s_vowelstr:
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214 * For printfs: if string starts with a vowel, return "n" for an
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215 * "an".
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216 */
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217 char *
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218 s_vowelstr(char *str)
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219 {
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220 switch (*str)
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221 {
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222 case 'a': case 'A':
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223 case 'e': case 'E':
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224 case 'i': case 'I':
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225 case 'o': case 'O':
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226 case 'u': case 'U':
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227 return "n";
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228 default:
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229 return "";
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230 }
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231 }