#define in_sequence(mp,seqnum,msgnum) \
bvector_at (msgstat(mp, msgnum), FFATTRSLOT + seqnum)
#define clear_sequence(mp,seqnum,msgnum) \
#define in_sequence(mp,seqnum,msgnum) \
bvector_at (msgstat(mp, msgnum), FFATTRSLOT + seqnum)
#define clear_sequence(mp,seqnum,msgnum) \