Resets the blocking mode and the read mode of a named pipe.

#define INCL_DOSNMPIPES
#include <os2.h>

HPIPE     hpipe;  /*  The named-pipe handle to reset. */
ULONG     state;  /*  The named-pipe handle state. */
APIRET    ulrc;   /*  Return Code. */

ulrc = DosSetNPHState(hpipe, state);