hammer_uuid_to_string
hammer_uuid_to_string(&fip->vol_fsid, &fsid);
hammer_uuid_to_string(s_uuid, &shared_uuid);
hammer_uuid_to_string(&pfsd->shared_uuid, &str);
hammer_uuid_to_string(&pfsd->unique_uuid, &str);
hammer_uuid_to_string(&data->pfsd.shared_uuid, &str1);
hammer_uuid_to_string(&data->pfsd.unique_uuid, &str2);
int hammer_uuid_to_string(const hammer_uuid_t *uuid, char **str);
hammer_uuid_to_string(&ondisk->vol_fstype, &fstype);
hammer_uuid_to_string(&ondisk->vol_fstype, &fstype);
hammer_uuid_to_string(&ondisk->vol_fsid, &fsid);
hammer_uuid_to_string(&Hammer_FSId, &fsidstr);