current_lock_owner  648 src/filelock.c       err = current_lock_owner (clasher, lfname);
current_lock_owner  735 src/filelock.c       && !(!NILP (lfname) && current_lock_owner (NULL, lfname) == I_OWN_IT))
current_lock_owner  771 src/filelock.c   int err = current_lock_owner (0, lfname);
current_lock_owner  921 src/filelock.c   owner = current_lock_owner (&locker, lfname);