send_response
send_response( hc, 302, err302title, header, err302form, location );
static void send_response( httpd_conn* hc, int status, char* title, char* extraheads, char* form, char* arg );
send_response( hc, status, title, extraheads, form, arg );
send_response( hc, status, title, extraheads, form, arg );