## Presentation Device Driver Reference for OS/2

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### Unlink_Chain_Element - Syntax

Description:

Unlink_Chain_Element provides a standard mechanism for unlinking data chain elements from the chain. It does not deallocate the memory associated with the element; it only unlinks it from the chain.

    #include <os2.h>

    PDSPINSTL_CHAIN    element_ptr;

    ULONG              rc;           /*  Return codes. */

    rc = Unlink_Chain_Element(element_ptr);