--- Libc/Libc-186/string.subproj/memccpy.c
+++ Libc/Libc-167/string.subproj/memccpy.c
@@ -67,10 +67,9 @@
 	if (n) {
 		register unsigned char *tp = t;
 		register const unsigned char *fp = f;
-		register unsigned char uc = c;
 		do {
-			if ((*tp++ = *fp++) == uc)
-				return (tp);
+			if ((*tp++ = *fp++) == c)
+				return (t);
 		} while (--n != 0);
 	}
 	return (0);