Keeps a list of routines that run when the current process ends.

#define INCL_DOSPROCESS
#include <os2.h>

ULONG          ordercode;  /*  DosExitList action and invocation order. */
PFNEXITLIST    pfn;        /*  The address of a routine to be run. */
APIRET         ulrc;       /*  Return Code. */

ulrc = DosExitList(ordercode, pfn);