ID0uu_lock_txfr
if (lock && (res = ID0uu_lock_txfr(lock, newpid)) != UU_LOCK_OK)
extern int ID0uu_lock_txfr(const char *, pid_t);
if ((res = ID0uu_lock_txfr(p->name.base, newpid)) != UU_LOCK_OK)