checkrtspprefix(struct Curl_easy *data,
                const char *s, size_t len)
{
  statusline result = STATUS_BAD;
  statusline onmatch = len >= 5? STATUS_DONE : STATUS_UNKNOWN;
  (void)data; /* unused */
  if(checkprefixmax("RTSP/", s, len))
    result = onmatch;

  return result;
}
checkrtspprefix(struct Curl_easy *data,
                const char *s, size_t len)
{
  statusline result = STATUS_BAD;
  statusline onmatch = len >= 5? STATUS_DONE : STATUS_UNKNOWN;
  (void)data;  
  if(checkprefixmax("RTSP/", s, len))
    result = onmatch;

  return result;
}