462:/std/heap.c (/std/heap.c)
(public void) enter_env(mixed env, object old)
/*
 * Function name: enter_env
 * Description  : Called when heap enters an environment. We check whether
 *                there are any similar heaps to merge with.
 * Arguments    : mixed env - the new environment.
 *                object old - the old environment.
 */
