ci->append = find_compress_hook (M_APPENDHOOK, ctx->path);
ci->open = find_compress_hook (M_OPENHOOK, ctx->path);
ci->close = find_compress_hook (M_CLOSEHOOK, ctx->path);
ci->append = find_compress_hook (M_APPENDHOOK, ctx->path);
ci->open = find_compress_hook (M_OPENHOOK, ctx->path);
ci->close = find_compress_hook (M_CLOSEHOOK, ctx->path);