Registers an exception handler for the current thread.

#define INCL_DOSEXCEPTIONS
#include <os2.h>

PEXCEPTIONREGISTRATIONRECORD    pERegRec;  /*  A pointer to the exception registration record that describes the exception handler to be registered. */
APIRET                          ulrc;      /*  Return Code. */

ulrc = DosSetExceptionHandler(pERegRec);