blist_t
blist_t bl;
blist_blkno_t skip, blist_t dest, blist_blkno_t count);
blist_t
blist_t bl;
blist_destroy(blist_t bl)
blist_alloc(blist_t bl, blist_blkno_t count)
blist_free(blist_t bl, blist_blkno_t blkno, blist_blkno_t count)
blist_fill(blist_t bl, blist_blkno_t blkno, blist_blkno_t count)
blist_resize(blist_t *pbl, blist_blkno_t count, int freenew)
blist_t newbl = blist_create(count);
blist_t save = *pbl;
blist_print(blist_t bl)
blist_t dest,
extern blist_t blist_create(blist_blkno_t blocks);
extern void blist_destroy(blist_t blist);
extern blist_blkno_t blist_alloc(blist_t blist, blist_blkno_t count);
extern void blist_free(blist_t blist, blist_blkno_t blkno, blist_blkno_t count);
extern blist_blkno_t blist_fill(blist_t bl, blist_blkno_t blkno,
extern void blist_print(blist_t blist);
extern void blist_resize(blist_t *pblist, blist_blkno_t count, int freenew);
blist_t swd_blist; /* blist for this swapdev */