char *uri_escape_buffer (char *buffer, size_t buffer_size);
char *uri_escape_copy (char *dest, const char *src, size_t n);
+char *json_escape (const char *string);
+char *json_escape_buffer (char *buffer, size_t buffer_size);
+char *json_escape_copy (char *dest, const char *src, size_t n);
+
const char *script_name (void);
int time_to_rfc1123 (time_t t, char *buffer, size_t buffer_size);