Advanced Rogue 7: convert to ANSI-style function declarations.

Almost 1500 lines of compiler warnings remain, and the GCC developers
are already working on a new version with even more warnings turned on
by default.

arogue7/scrolls.c

@@ -20,12 +20,14 @@
 #include "curses.h"
 #include <stdlib.h>
 #include <ctype.h>
+#include <string.h>
 #include "rogue.h"
 
 /*
  * let the hero get rid of some type of monster (but not a UNIQUE!)
  */
-genocide()
+void
+genocide(void)
 {
     register struct linked_list *ip;
     register struct thing *mp;
@@ -57,10 +59,8 @@ genocide()
     msg("You have wiped out the %s.", monsters[which_monst].m_name);
 }
 
-read_scroll(which, flag, is_scroll)
-register int which;
-int flag;
-bool is_scroll;
+void
+read_scroll(int which, int flag, bool is_scroll)
 {
     register struct object *obj = NULL, *nobj;
     register struct linked_list *item, *nitem;