2556 static int add_file(file_t const * const opts, char const * const filename)  in add_file()  function
2582     return add_file(opts, filename);  in add_glob_file()
2589     add_file(opts, globbuf.gl_pathv[i]);  in add_glob_file()
2594   #define add_glob_file add_file
2612     add_file(&opts, set_default_device(&opts)), init_file(&opts);  in parse_options_and_filenames()
2637       add_file(&opts, "");  in parse_options_and_filenames()
2640       add_file(&opts, set_default_device(&opts));  in parse_options_and_filenames()
2645       add_file(&opts, "-");  in parse_options_and_filenames()
2651 …else if (sox_parse_playlist((sox_playlist_callback_t)add_file, &opts, argv[optstate.ind++]) != SOX…  in parse_options_and_filenames()
2659     add_file(&opts, set_default_device(&opts));  in parse_options_and_filenames()
2661     add_file(&opts, device_name(opts.filetype));  in parse_options_and_filenames()