}
	chanTypePtr = Tcl_GetChannelType(chan);
	if (chanTypePtr != &pipeChannelType) {
	    return TCL_OK;
	}

	pipePtr = (PipeInfo *) Tcl_GetChannelInstanceData(chan);
	resultPtr = Tcl_NewObj();
	TclNewObj(resultPtr);
	for (i = 0; i < pipePtr->numPids; i++) {
	    Tcl_ListObjAppendElement(/*interp*/ NULL, resultPtr,
		    Tcl_NewWideIntObj((unsigned)
			    TclpGetPid(pipePtr->pidPtr[i])));
	}
	Tcl_SetObjResult(interp, resultPtr);
    }