151 int wav_play(const char *fn)  in wav_play()  argument
156 	fd = open(fn, O_RDONLY);  in wav_play()
158         fprintf(stderr, "playwav: cannot open '%s'\n", fn);  in wav_play()
172         fprintf(stderr, "playwav: '%s' is not a riff/wave file\n", fn);  in wav_play()
177         fprintf(stderr, "playwav: '%s' is not pcm format\n", fn);  in wav_play()
181         fprintf(stderr, "playwav: '%s' is not 16bit per sample\n", fn);  in wav_play()
191 int wav_rec(const char *fn, unsigned channels, unsigned rate)  in wav_rec()  argument
215     fd = open(fn, O_CREAT | O_RDWR, 0666);  in wav_rec()
291     unlink(fn);  in wav_rec()
295 int mp3_play(const char *fn)  in mp3_play()  argument
301     fd = open(fn, O_RDONLY);  in mp3_play()
331     const char *fn = 0;  in main()  local
356             fn = argv[0];  in main()
362     if (fn == 0) {  in main()
363         fn = play ? "/data/out.wav" : "/data/rec.wav";  in main()
367         const char *dot = strrchr(fn, '.');  in main()
369             return mp3_play(fn);  in main()
371             return wav_play(fn);  in main()
374         return wav_rec(fn, channels, rate);  in main()