PCMDLCK
frcmd = PCMDLCK;
frcmd = SETFLCK|PCMDLCK;
frcmd = SETFLCK|SLPFLCK|PCMDLCK;
if ((cmd & (RCMDLCK | PCMDLCK)) != 0) {
if ((cmd & PCMDLCK) || (GETPXFSID(lckdat->l_sysid) != 0)) {