Index: hexdump/parse.c
===================================================================
--- hexdump/parse.c
+++ hexdump/parse.c
@@ -52,7 +52,7 @@
 void
 addfile(const char *name)
 {
-	unsigned char *p;
+	char *p;
 	FILE *fp;
 	int ch;
 	char buf[2048 + 1];
@@ -77,7 +77,7 @@
 void
 add(const char *fmt)
 {
-	unsigned const char *p, *savep;
+	const char *p, *savep;
 	static FS **nextfs;
 	FS *tfs;
 	FU *tfu, **nextfu;
@@ -153,7 +153,7 @@
 {
 	FU *fu;
 	int bcnt, cursize;
-	unsigned char *fmt;
+	char *fmt;
 	int prec;
 
 	/* figure out the data block size needed for each format unit */
@@ -210,7 +210,7 @@
 	enum { NOTOKAY, USEBCNT, USEPREC } sokay;
 	PR *pr, **nextpr;
 	FU *fu;
-	unsigned char *p1, *p2, *fmtp;
+	char *p1, *p2, *fmtp;
 	char savech, cs[3];
 	int nconv, prec;