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insque
======

Syntax
------

     #include <search.h>
     
     void insque(struct qelem *elem, struct qelem *pred);

Description
-----------

This function manipulates queues built from doubly linked lists.  Each
element in the queue must be in the form of `struct qelem' which is
defined thus:

     struct qelem {
       struct qelem *q_forw;
       struct qelem *q_back;
       char q_data[0];
     }

This function inserts ELEM in a queue immediately after PRED.

Return Value
------------

None.