ERRSEQ_SEEN        81 lib/errseq.c   		new = (old & ~(MAX_ERRNO|ERRSEQ_SEEN)) | -err;
ERRSEQ_SEEN        84 lib/errseq.c   		if (old & ERRSEQ_SEEN)
ERRSEQ_SEEN       127 lib/errseq.c   	if (!(old & ERRSEQ_SEEN))
ERRSEQ_SEEN       198 lib/errseq.c   		new = old | ERRSEQ_SEEN;