hpipe (HPIPE) - input

The named-pipe handle to disconnect (returned to the server process by DosCreateNPipe).

ulrc (APIRET) - returns

Return Code.

DosDisConnectNPipe returns one of the following values:

• NO_ERROR 109
  ERROR_BROKEN_PIPE
  230
  ERROR_BAD_PIPE
  For a full list of error codes, see Errors.