else if ((len > 3) && !strncasecmp(&what[len - 4], ".png", 4))
return "image/png";
else if ((len > 3) && !strncasecmp(&what[len - 4], ".ico", 4))
else if ((len > 3) && !strncasecmp(&what[len - 4], ".png", 4))
return "image/png";
else if ((len > 3) && !strncasecmp(&what[len - 4], ".ico", 4))