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PR_INSERT_BEFORE
================
Inserts an element before another element in a circular list.
Syntax
------
.. code::
#include <prclist.h>
PR_INSERT_BEFORE (
PRCList *elemp1
PRCList *elemp2);
Parameters
~~~~~~~~~~
``elemp1``
A pointer to the element to be inserted.
``elemp2``
A pointer to the element before which ``elemp1`` is to be inserted.
Description
-----------
PR_INSERT_BEFORE inserts the element specified by ``elemp1`` into the
circular list, before the element specified by ``elemp2``.
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