Acknowledges that a client process has closed a named pipe.

#define INCL_DOSNMPIPES
#include <os2.h>

HPIPE     hpipe;  /*  The named-pipe handle to disconnect (returned to the server process by DosCreateNPipe). */
APIRET    ulrc;   /*  Return Code. */

ulrc = DosDisConnectNPipe(hpipe);