int is_urlschemechar(int first_flag, int ch);
char *url_decode(const char *url);
char *url_decode_mem(const char *url, int len);
+
+/*
+ * Similar to the url_decode_{,mem} methods above, but doesn't assume there
+ * is a scheme followed by a : at the start of the string. Instead, %-sequences
+ * before any : are also parsed.
+ */
+char *url_percent_decode(const char *encoded);
+
char *url_decode_parameter_name(const char **query);
char *url_decode_parameter_value(const char **query);