-int uh_b64decode(char *buf, int blen, const unsigned char *src, int slen);
+int uh_b64decode(char *buf, int blen, const void *src, int slen);
+bool uh_path_match(const char *prefix, const char *url);
+char *uh_split_header(char *str);
+bool uh_addr_rfc1918(struct uh_addr *addr);
+