500     struct wav_header hdr;  in play_wav()  local
516             hdr.sample_rate = rate;  in play_wav()
517             hdr.num_channels = ch;  in play_wav()
518             hdr.data_sz = 0;  in play_wav()
522         if (read(fd, &hdr, sizeof(hdr)) != sizeof(hdr)) {  in play_wav()
527         if ((hdr.riff_id != ID_RIFF) ||  in play_wav()
528             (hdr.riff_fmt != ID_WAVE) ||  in play_wav()
529             (hdr.fmt_id != ID_FMT)) {  in play_wav()
533         if ((hdr.audio_format != FORMAT_PCM) ||  in play_wav()
534             (hdr.fmt_sz != 16)) {  in play_wav()
538         if (hdr.bits_per_sample != 16) {  in play_wav()
544         hdr.sample_rate = rate;  in play_wav()
545         hdr.num_channels = ch;  in play_wav()
546         hdr.data_sz = 0;  in play_wav()
556     return play_file(hdr.sample_rate, hdr.num_channels, fd, flag, device, hdr.data_sz);  in play_wav()