43:/std/callout.c (/std/callout.c)
(varargs int) call_out(string func, mixed delay, mixed arg)
/*
 * Function name: call_out
 * Description:   Add a call_out to the named function
 * Arguments:     func  - function to be called
 *                delay - how long to wait before calling
 *                        the function
 *                arg   - optional argument to pass to the named
 *                        function when the call_out triggers
 * Returns:       The id if the call_out
 */
