hammer2_get_root_volume_offset
off - hammer2_get_root_volume_offset(), SEEK_SET) == -1) {
off - hammer2_get_root_volume_offset(), SEEK_SET) == -1) {
if (lseek(fd, off - hammer2_get_root_volume_offset(), SEEK_SET)
off - hammer2_get_root_volume_offset(), SEEK_SET) == -1) {
off - hammer2_get_root_volume_offset(), SEEK_SET);
hammer2_off_t hammer2_get_root_volume_offset(void);