use existing protos

2 files changed, 5 insertions, 9 deletions

diff --git a/usr.bin/hexdump/display.c b/usr.bin/hexdump/display.c
index ef650ff8866..aa9568b9e7d 100644
--- a/usr.bin/hexdump/display.c
+++ b/usr.bin/hexdump/display.c
@@ -33,7 +33,7 @@
 
 #ifndef lint
 /*static char sccsid[] = "from: @(#)display.c	5.11 (Berkeley) 3/9/91";*/
-static char rcsid[] = "$Id: display.c,v 1.1 1995/10/18 08:45:23 deraadt Exp $";
+static char rcsid[] = "$Id: display.c,v 1.2 1996/05/21 21:51:51 deraadt Exp $";
 #endif /* not lint */
 
 #include <sys/param.h>
@@ -279,7 +279,7 @@ extern off_t skip;			/* bytes to skip */
 next(argv)
 	char **argv;
 {
-	extern int errno, exitval;
+	extern int exitval;
 	static int done;
 	int statok;
 
@@ -316,7 +316,6 @@ doskip(fname, statok)
 	char *fname;
 	int statok;
 {
-	extern int errno;
 	struct stat sbuf;
 
 	if (statok) {
@@ -354,8 +353,6 @@ emalloc(size)
 
 nomem()
 {
-	extern int errno;
-
 	(void)fprintf(stderr, "hexdump: %s.\n", strerror(errno));
 	exit(1);
 }
diff --git a/usr.bin/hexdump/hexdump.c b/usr.bin/hexdump/hexdump.c
index b541c97385c..e2a47ea70da 100644
--- a/usr.bin/hexdump/hexdump.c
+++ b/usr.bin/hexdump/hexdump.c
@@ -39,7 +39,7 @@ char copyright[] =
 
 #ifndef lint
 /*static char sccsid[] = "from: @(#)hexdump.c	5.5 (Berkeley) 6/1/90";*/
-static char rcsid[] = "$Id: hexdump.c,v 1.1 1995/10/18 08:45:23 deraadt Exp $";
+static char rcsid[] = "$Id: hexdump.c,v 1.2 1996/05/21 21:51:51 deraadt Exp $";
 #endif /* not lint */
 
 #include <sys/types.h>
@@ -55,11 +55,10 @@ main(argc, argv)
 	int argc;
 	char **argv;
 {
-	extern int errno;
 	register FS *tfs;
-	char *p, *rindex();
+	char *p;
 
-	if (!(p = rindex(argv[0], 'o')) || strcmp(p, "od"))
+	if (!(p = strrchr(argv[0], 'o')) || strcmp(p, "od"))
 		newsyntax(argc, &argv);
 	else
 		oldsyntax(argc, &argv);