This function loads the CODEC Proc installed in the MMPMMMIO.INI file and returns the entry point. It is normally issued by the IOProc to access the CODEC Proc.

#define INCL_MMIOOS2
#define INCL_MMIO_CODEC
#include <os2.h>

PCODECINIFILEINFO    pCODECIniFileInfo;  /*  Pointer to CODECINIFILEINFO. */
PHMODULE             phMod;              /*  Pointer. */
ULONG                ulFlags;            /*  Flags. */
PCODECPROC           rc;                 /*  Address of CODEC Proc. */

rc = mmioLoadCODECProc(pCODECIniFileInfo,
       phMod, ulFlags);