make_lock_file_name  694 src/filelock.c       lfname = make_lock_file_name (fn);
make_lock_file_name  737 src/filelock.c   Lisp_Object lfname = make_lock_file_name (fn);
make_lock_file_name  886 src/filelock.c   Lisp_Object lfname = make_lock_file_name (filename);