strcasecmpstart(const char *s1, const char *s2)
{
  size_t n = strlen(s2);
  return strncasecmp(s1, s2, n);
}
strcasecmpstart(const char *s1, const char *s2)
{
  size_t n = strlen(s2);
  return strncasecmp(s1, s2, n);
}