Add setlocale LC_CTYPE

Fix icase searches for 8bit charsets

gnu/usr.bin/grep/grep.c

@@ -19,6 +19,9 @@
 
 #include <errno.h>
 #include <stdio.h>
+#ifdef __FreeBSD__
+#include <locale.h>
+#endif
 
 #ifndef errno
 extern int errno;
@@ -606,6 +609,9 @@ main(argc, argv)
   extern char *optarg;
   extern int optind;
 
+#ifdef __FreeBSD__
+  (void) setlocale(LC_CTYPE, "");
+#endif
   prog = argv[0];
   if (prog && strrchr(prog, '/'))
     prog = strrchr(prog, '/') + 1;

gnu/usr.bin/grep/search.c

@@ -46,7 +46,7 @@ extern char *memchr();
 #define bcopy(s, d, n) memcpy((d), (s), (n))
 #endif
 
-#ifdef isascii
+#if defined(isascii) && !defined(__FreeBSD__)
 #define ISALNUM(C) (isascii(C) && isalnum(C))
 #define ISUPPER(C) (isascii(C) && isupper(C))
 #else