Description:

OS2_PM_DRV_ENABLE: DisablePhysicalDeviceBlock is called by the system to disable the specified device and to free any associated memory.

#include <os2.h>

ULONG    ulSubfunction;  /*  04H. */
ULONG    ulParam1;
PLONG    pParam2;        /*  Not used. */
LONG     rc;             /*  Return codes. */

rc = DisablePhysicalDeviceBlock(ulSubfunction,
       ulParam1, pParam2);