FCFLG_DSOUT
if (((fcp->c_flags & FCFLG_DSOUT) == 0 && rpm <= fjp->fj_rotspd) ||
((fcp->c_flags & FCFLG_DSOUT) && (fjp->fj_flags & FUNIT_3DMODE) &&
retcode = (fcp->c_flags ^ FCFLG_DSOUT) ||
fcp->c_flags |= FCFLG_DSOUT;
fcp->c_flags &= ~FCFLG_DSOUT;
retcode = (fcp->c_flags ^ FCFLG_DSOUT) ||
fcp->c_flags |= FCFLG_DSOUT;
fcp->c_flags &= ~FCFLG_DSOUT;