/*
 * Return the request number of a Fam::Event object.
 *
 * Aliases:
 *   Fam::Event#request_number
 *   Fam::Event#request_num
 *   Fam::Event#request
 *   Fam::Event#req_num
 *   Fam::Event#req
 *   Fam::Event#num
 *
 * Examples:
 *   req = ev.request_number
 *
 */
static VALUE fam_ev_req(VALUE self)
{
  FAMEvent *ev;

  Data_Get_Struct(self, FAMEvent, ev);
  return INT2NUM(FAMREQUEST_GETREQNUM(&(ev->fr)));
}