XPC_CHCTL_OPENREPLY
XPC_CHCTL_OPENREQUEST | XPC_CHCTL_OPENREPLY | \
chctl_flags &= ~(XPC_CHCTL_OPENREQUEST | XPC_CHCTL_OPENREPLY |
if (chctl_flags & XPC_CHCTL_OPENREPLY) {
part->chctl.flags[msg->ch_number] |= XPC_CHCTL_OPENREPLY;