X-Git-Url: https://jxself.org/git/?p=wumpus.git;a=blobdiff_plain;f=wumpus.c;h=b4d983c73a444ff1ac2572ae9d636ee62f1f2435;hp=8b3cc47354eab835e2b27ea8fcb2a9ebaceb4d21;hb=696447095f4d7fd1752336c4b7dc59be694d74bb;hpb=d9bfd34e9699154385a9f98939780d090ac62528

diff --git a/wumpus.c b/wumpus.c
index 8b3cc47..b4d983c 100644
--- a/wumpus.c
+++ b/wumpus.c
@@ -2,10 +2,7 @@
  * wumpus.c --- a faithful translation of the classic "Hunt The Wumpus" game.
  *
  * Translator: Eric S. Raymond <esr@snark.thyrsus.com>
- * Version: $Id$
- *
- * This was the state of the art 20 years ago, in 1972.  We've come a long
- * way, baby.
+ * Version: $Id: wumpus.c,v 1.4 1996/05/17 17:30:35 esr Exp esr $
  *
  * The BASIC source is that posted by Magnus Olsson in USENET article
  * <9207071854.AA21847@thep.lu.se>: he wrote
@@ -28,9 +25,17 @@
  *
  * So, pretend for a little while that your workstation is an ASR-33 and
  * limber up your fingers for a trip to nostalgia-land...
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
  */
 
 #include <stdio.h>
+#include <ctype.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <time.h>
+#include <sys/socket.h>
 
 /* 5 REM *** HUNT THE WUMPUS ***					*/
 
@@ -102,22 +107,28 @@ int getnum(prompt)
 char *prompt;
 {
     (void) printf("%s\n?", prompt);
-    (void) fgets(inp, sizeof(inp), stdin);
-    return(atoi(inp));
+    if (fgets(inp, sizeof(inp), stdin))
+      return(atoi(inp));
+    else {
+      fputs("\n",stdout);
+      exit(1);
+    }
 }
 
 int getlet(prompt)
 char *prompt;
 {
     (void) printf("%s\n?", prompt);
-    (void) fgets(inp, sizeof(inp), stdin);
-    return(inp[0]);    
+    if (fgets(inp, sizeof(inp), stdin))
+      return(toupper(inp[0]));
+    else {
+      fputs("\n",stdout);
+      exit(1);
+    }
 }
 
 void print_instructions()
 {
-    char ebuf[BUFSIZ];
-
 /* 375 REM *** INSTRUCTIONS ***						*/
 /* 380 PRINT "WELCOME TO 'HUNT THE WUMPUS'"				*/
     puts("WELCOME TO 'HUNT THE WUMPUS'");
@@ -359,7 +370,6 @@ badrange:
 	/* 840 NEXT K							*/
     }
 
-ammo:
     if (finished == NOT)
     {
 	/* 845 PRINT "MISSED"						*/
@@ -514,7 +524,7 @@ goodmove:
     }
 }
 
-main(argc, argv)
+int main(argc, argv)
 int argc;
 char *argv[];
 {