WriteDontFail
WriteDontFail((fTestMaster ? fSlave : fMaster), 1);
WriteDontFail((fTestMaster ? fSlave : fMaster), 2);
WriteDontFail((fTestMaster ? fSlave : fMaster), 1);
WriteDontFail(fd, 1);
WriteDontFail((fTestMaster ? fSlave : fMaster), 1);