154 int wav_play(const char *fn)  in wav_play()  argument
158 	fd = open(fn, O_RDONLY);  in wav_play()
160         fprintf(stderr, "playwav: cannot open '%s'\n", fn);  in wav_play()
174         fprintf(stderr, "playwav: '%s' is not a riff/wave file\n", fn);  in wav_play()
179         fprintf(stderr, "playwav: '%s' is not pcm format\n", fn);  in wav_play()
183         fprintf(stderr, "playwav: '%s' is not 16bit per sample\n", fn);  in wav_play()
193 int wav_rec(const char *fn, unsigned channels, unsigned rate)  in wav_rec()  argument
217     fd = open(fn, O_CREAT | O_RDWR, 0666);  in wav_rec()
293     unlink(fn);  in wav_rec()
297 int mp3_play(const char *fn)  in mp3_play()  argument
303     fd = open(fn, O_RDONLY);  in mp3_play()
333     const char *fn = 0;  in main()  local
358             fn = argv[0];  in main()
364     if (fn == 0) {  in main()
365         fn = play ? "/data/out.wav" : "/data/rec.wav";  in main()
369         const char *dot = strrchr(fn, '.');  in main()
371             return mp3_play(fn);  in main()
373             return wav_play(fn);  in main()
376         return wav_rec(fn, channels, rate);  in main()