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-rw-r--r--gnu/egcs/libiberty/insque.c50
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diff --git a/gnu/egcs/libiberty/insque.c b/gnu/egcs/libiberty/insque.c
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--- a/gnu/egcs/libiberty/insque.c
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-/* insque(3C) routines
- This file is in the public domain. */
-
-/*
-NAME
- insque, remque -- insert, remove an element from a queue
-
-SYNOPSIS
- struct qelem {
- struct qelem *q_forw;
- struct qelem *q_back;
- char q_data[];
- };
-
- void insque (struct qelem *elem, struct qelem *pred)
-
- void remque (struct qelem *elem)
-
-DESCRIPTION
- Routines to manipulate queues built from doubly linked lists.
- The insque routine inserts ELEM in the queue immediately after
- PRED. The remque routine removes ELEM from its containing queue.
-*/
-
-
-struct qelem {
- struct qelem *q_forw;
- struct qelem *q_back;
-};
-
-
-void
-insque (elem, pred)
- struct qelem *elem;
- struct qelem *pred;
-{
- elem -> q_forw = pred -> q_forw;
- pred -> q_forw -> q_back = elem;
- elem -> q_back = pred;
- pred -> q_forw = elem;
-}
-
-
-void
-remque (elem)
- struct qelem *elem;
-{
- elem -> q_forw -> q_back = elem -> q_back;
- elem -> q_back -> q_forw = elem -> q_forw;
-}