block_map
static int block_map(struct open_file *, ufs2_daddr_t, ufs2_daddr_t *);
rc = block_map(f, file_block, &disk_block);
rc = block_map(f, file_block, &disk_block);
rc = block_map(f, (ufs2_daddr_t)0, &disk_block);
if ((map = block_map (logno)) < 0)
if ((map = block_map (block)) < 0
if ((map = block_map (logno)) < 0)
if ((map = block_map (block)) < 0