@@ -130,6 +130,8 @@ const void *tor_memmem(const void *haystack, size_t hlen, const void *needle,
#define TOR_ISXDIGIT(c) isxdigit((int)(unsigned char)(c))
#define TOR_ISDIGIT(c) isdigit((int)(unsigned char)(c))
#define TOR_ISPRINT(c) isprint((int)(unsigned char)(c))
+#define TOR_ISLOWER(c) islower((int)(unsigned char)(c))
+#define TOR_ISUPPER(c) isupper((int)(unsigned char)(c))
#ifdef MS_WINDOWS
#define _SHORT_FILE_ (tor_fix_source_file(__FILE__))