_LASTMARK
mark |= _LASTMARK;
if ((mark & _LASTMARK) &&
bp->b_flag |= mark & ~_LASTMARK;
if ((uiop->uio_resid == 0) || (mark & _LASTMARK) ||
mark |= _LASTMARK;
if ((mark & _LASTMARK) && (stp->sd_mark == NULL))
bp->b_flag |= mark & ~_LASTMARK;
savemp->b_flag |= mark & ~_LASTMARK;
if ((mark & _LASTMARK) &&
mark |= _LASTMARK;
if ((mark & _LASTMARK) && (stp->sd_mark == NULL))
bp->b_flag |= mark & ~_LASTMARK;
if ((mark & _LASTMARK) && (stp->sd_mark == NULL))
bp->b_flag |= mark & ~_LASTMARK;
if ((mark & _LASTMARK) && (stp->sd_mark == NULL))
bp->b_flag |= mark & ~_LASTMARK;
if ((mark & _LASTMARK) &&
savemp->b_flag |= mark & ~_LASTMARK;