Index: ram/libdsp.c
===================================================================
--- ram/libdsp.c	(revision 33b5477cc55f55fdeb5a70526c020aaaaee92017)
+++ ram/libdsp.c	(revision 7d4cf30f0d44812a0d7697424f9bd0a2b8bb7a67)
@@ -235,12 +235,14 @@
 */
 
-int32_t chksum(int8_t *area, int32_t len)
-{
-	register int32_t cs, i;
-
+int32_t chksum(void *area, int32_t len)
+{
+	uint8_t *area8;
+	int32_t cs, i;
+
+	area8 = area;
 	cs = 0L;
 
 	for (i = 0; i < len; i++)
-		cs += 0x000000FFL & *area++;
+		cs += 0x000000FFL & *area8++;
 
 	return(cs);
@@ -306,12 +308,15 @@
 */
 
-int16_t wr_ec(FILE *fp, int8_t *from, int32_t len)
-{
-	register int32_t count;
-	register int8_t c;
+int16_t wr_ec(FILE *fp, void *from, int32_t len)
+{
+	uint8_t *from8, c;
+	int32_t count;
+
+	from8 = from;
+
 	for (count = 0; count < len; count++) {
 
 		errno = 0;
-		c  = *from++;
+		c  = *from8++;
 
 		if (EOF EQ putc(c, fp)) {
@@ -346,8 +351,11 @@
 */
 
-int16_t rd_ec(FILE *fp, int8_t *to, int32_t len)
-{
-	register int32_t count;
-	register int16_t c;
+int16_t rd_ec(FILE *fp, void *to, int32_t len)
+{
+	uint8_t *to8;
+	int32_t count;
+	int16_t c;
+
+	to8 = to;
 
 	for (count = 0; count < len; count++) {
@@ -368,5 +376,5 @@
 		} else {
 
-			*to++ = c;
+			*to8++ = (uint8_t)c;
 
 #if	DEBUGRE
Index: ram/libdsp.x
===================================================================
--- ram/libdsp.x	(revision 33b5477cc55f55fdeb5a70526c020aaaaee92017)
+++ ram/libdsp.x	(revision 7d4cf30f0d44812a0d7697424f9bd0a2b8bb7a67)
@@ -29,5 +29,5 @@
 extern	void		advlcur(void);
 extern	void		bsplcur(void);
-extern	int32_t		chksum(int8_t *area, int32_t len);
+extern	int32_t		chksum(void *area, int32_t len);
 extern	int16_t		ckdups(void);
 extern	int16_t		ckstor(void);
@@ -57,5 +57,5 @@
 extern	int16_t		ocslot(int16_t slot);
 extern	int16_t		putcat(void);
-extern	int16_t		rd_ec(FILE *fp, int8_t *to, int32_t len);
+extern	int16_t		rd_ec(FILE *fp, void *to, int32_t len);
 extern	int16_t		showcat(void);
 extern	int16_t		showsiz(void);
@@ -65,5 +65,5 @@
 extern	int16_t		storit(void);
 extern	void		streset(void);
-extern	int16_t		wr_ec(FILE *fp, int8_t *from, int32_t len);
+extern	int16_t		wr_ec(FILE *fp, void *from, int32_t len);
 extern	int16_t		writem(void);
 extern	int16_t		wrtfile(int16_t kind);