headers and redundant declarations.

usr.bin/patch/backupfile.c

@@ -12,17 +12,16 @@
    Some algorithms adapted from GNU Emacs. */
 
 #ifndef lint
-static char rcsid[] = "$Id: backupfile.c,v 1.2 1993/08/02 17:55:13 mycroft Exp $";
+static char rcsid[] = "$Id: backupfile.c,v 1.3 1994/12/24 17:30:13 cgd Exp $";
 #endif /* not lint */
 
 #include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
 #include <ctype.h>
 #include <sys/types.h>
 #include "backupfile.h"
 #include "config.h"
-char *index ();
-char *rindex ();
-char *malloc ();
 
 #ifdef DIRENT
 #include <dirent.h>

usr.bin/patch/common.h

@@ -1,4 +1,4 @@
-/*	$Id: common.h,v 1.3 1994/03/28 09:19:18 cgd Exp $ */
+/*	$Id: common.h,v 1.4 1994/12/24 17:30:18 cgd Exp $ */
 
 #define DEBUGGING
 
@@ -26,6 +26,7 @@
 #define malloc system_malloc
 #define realloc system_realloc
 #include <stdio.h>
+#include <string.h>
 #include <assert.h>
 #include <sys/types.h>
 #include <sys/stat.h>