472 int play_raw(const char *fg, int rate, int ch, const char *device, const char *fn)  in play_raw()  argument
494 		    fn, get_format_desc(format), ch );  in play_raw()
495     return play_file(rate, ch, fd, flag, device, 0);  in play_raw()
498 int play_wav(const char *fg, int rate, int ch, const char *device, const char *fn)  in play_wav()  argument
517             hdr.num_channels = ch;  in play_wav()
545         hdr.num_channels = ch;  in play_wav()
563     int ch = 2;  in main()  local
608           ch = (int)strtol(optarg, NULL, 0);  in main()
658              rc = play_wav(mmap, rate, ch, device, filename);  in main()
660              rc = play_raw(mmap, rate, ch, device, filename);  in main()
662         rc = play_wav(mmap, rate, ch, device, "dummy");  in main()