Remove unused function and unnecessary prototypes, as per PR 6050 by

Joseph Myers <jsm28@cam.ac.uk>

Author: hubertf

games/adventure/extern.h

@@ -1,4 +1,4 @@
-/*	$NetBSD: extern.h,v 1.5 1998/08/24 22:26:23 hubertf Exp $	*/
+/*	$NetBSD: extern.h,v 1.6 1998/08/29 22:40:07 hubertf Exp $	*/
 
 /*
  * Copyright (c) 1997 Christos Zoulas.  All rights reserved.
@@ -49,15 +49,16 @@ void startup __P((void));
 
 /* io.c */
 void getin __P((char **, char **));
-int confirm __P((char *));
 int yes __P((int, int, int));
 int yesm __P((int, int, int));
 int next __P((void));
 void rdata __P((void));
 int rnum __P((void));
 void rdesc __P((int));
 void rtrav __P((void));
-int twrite __P((int));
+#ifdef DEBUG
+void twrite __P((int));
+#endif
 void rvoc __P((void));
 void rlocs __P((void));
 void rdflt __P((void));
@@ -76,9 +77,6 @@ int main __P((int, char **));
 int save __P((char *));
 int restore __P((char *));
 
-/* setup.c */
-int main __P((int, char *[]));
-
 /* subr.c */
 int toting __P((int));
 int here __P((int));

games/adventure/io.c

@@ -1,4 +1,4 @@
-/*	$NetBSD: io.c,v 1.6 1997/10/11 01:53:29 lukem Exp $	*/
+/*	$NetBSD: io.c,v 1.7 1998/08/29 22:40:07 hubertf Exp $	*/
 
 /*-
  * Copyright (c) 1991, 1993
@@ -43,7 +43,7 @@
 #if 0
 static char sccsid[] = "@(#)io.c	8.1 (Berkeley) 5/31/93";
 #else
-__RCSID("$NetBSD: io.c,v 1.6 1997/10/11 01:53:29 lukem Exp $");
+__RCSID("$NetBSD: io.c,v 1.7 1998/08/29 22:40:07 hubertf Exp $");
 #endif
 #endif /* not lint */
 
@@ -100,20 +100,6 @@ getin(wrd1, wrd2)		/* get command from user        */
 	}
 }
 
-int
-confirm(mesg)			/* confirm irreversible action  */
-	char   *mesg;
-{
-	int     result;
-	printf("%s", mesg);	/* tell him what he did         */
-	if (getchar() == 'y')	/* was his first letter a 'y'?  */
-		result = 1;
-	else
-		result = 0;
-	FLUSHLINE;
-	return (result);
-}
-
 int
 yes(x, y, z)			/* confirm with rspeak          */
 	int     x, y, z;