status.i4.v = acnet_cancel_request(task.i1a.r, request_id.u2.v)

	This routine cancels an outstanding ACNET request.

	task		ASCII task name (PROCESS_NAME_LEN characters)
			(name used in acnet_connect call)
	request_id	request ID of the request to cancel

	This function returns ACNET status values as follows:

	OK			success
	ACNET_xxx		failed

	This function requires the following include files:

	acnet_h, acnet_errors_h

	Related functions:

	acnet_connect, acnet_default_connect, acnet_default_connect_name,
	acnet_disconnect, acnet_request, acnet_get_reply, acnet_request_wait,
	acnet_usm_request, acnet_node_name, acnet_accept_requests,
	acnet_get_request, acnet_reply, acnet_wait, acnet_set_handle,
	acnet_current_rum_handle, acnet_is_rum_handle, acnet_get_active_handles

	C/C++ usage:

	static const char	task[PROCESS_NAME_LEN+1] = "SA1082";
	unsigned short	request_id;
	int	status;

	status = acnet_cancel_request(task,request_id);