DosMakePipe

#define INCL_DOSQUEUES

USHORT  rc = DosMakePipe(ReadHandle, WriteHandle, PipeSize);

PHFILE           ReadHandle;    /* Address to put read handle (returned) */
PHFILE           WriteHandle;   /* Address to put write handle (returned) */
USHORT           PipeSize;      /* Size to reserve for the pipe */

USHORT           rc;            /* return code */