--- Libc/Libc-763.13/gen/FreeBSD/unvis.c
+++ Libc/Libc-825.26/gen/FreeBSD/unvis.c
@@ -33,6 +33,8 @@
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD: src/lib/libc/gen/unvis.c,v 1.10 2007/01/09 00:27:56 imp Exp $");
 
+#include "xlocale_private.h"
+
 #include <sys/types.h>
 #include <ctype.h>
 #include <vis.h>
@@ -60,6 +62,7 @@
 int
 unvis(char *cp, int c, int *astate, int flag)
 {
+	locale_t loc = __current_locale();
 
 	if (flag & UNVIS_END) {
 		if (*astate == S_OCTAL2 || *astate == S_OCTAL3) {
@@ -86,8 +89,8 @@
 
 	case S_START:
 		if (*astate & S_HTTP) {
-		    if (ishex(tolower(c))) {
-			*cp = isdigit(c) ? (c - '0') : (tolower(c) - 'a');
+		    if (ishex(tolower_l(c, loc))) {
+			*cp = isdigit_l(c, loc) ? (c - '0') : (tolower_l(c, loc) - 'a');
 			*astate = S_HEX2;
 			return (0);
 		    }
@@ -212,8 +215,8 @@
 		return (UNVIS_VALIDPUSH);
 
 	case S_HEX2:	/* second mandatory hex digit */
-		if (ishex(tolower(c))) {
-			*cp = (isdigit(c) ? (*cp << 4) + (c - '0') : (*cp << 4) + (tolower(c) - 'a' + 10));
+		if (ishex(tolower_l(c, loc))) {
+			*cp = (isdigit_l(c, loc) ? (*cp << 4) + (c - '0') : (*cp << 4) + (tolower_l(c, loc) - 'a' + 10));
 		}
 		*astate = S_GROUND;
 		return (UNVIS_VALID);