Function ap_is_initial_req

server/request.c:2567–2571

* Is it the initial main request, which we only get *once* per HTTP request? */

 * Is it the initial main request, which we only get *once* per HTTP request?
 */
AP_DECLARE(int) ap_is_initial_req(request_rec *r)
{
    return (r->main == NULL)       /* otherwise, this is a sub-request */
           && (r->prev == NULL);   /* otherwise, this is an internal redirect */
}