(toplevel): Include stdarg.h.
(MAX_DATA_LEN, MAX_SCORES): New. (SCORE_FILE_PREFIX): If HAVE_SHARED_GAME_DIR is not defined, default to ~/.emacs.d/games. (get_user_id): Don't zero uid in the case where we can't get the username. (lose): New function. (main): Actually use `max', and default it to MAX_SCORES. Correctly handle new default for SCORE_FILE_PREFIX. Use `lose' function. (read_score): Handle the case of reading unamelen characters, then finishing. Use mktemp if mkstemp isn't available. (lock_file, unlock_file): Delete unused versions. (lock_file): Always sleep, even if we unlinked the lock file.
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