97     struct wave_format format;  in wave_read_header()  local
105     if (fread(&format, sizeof(format), 1, fp) != 1  in wave_read_header()
106             || format.id         != WAVE_FORMAT_ID  in wave_read_header()
107             || ( format.fmt      != WAVE_FORMAT_PCM &&  in wave_read_header()
108                  format.fmt      != WAVE_FORMAT_EXT   )  in wave_read_header()
109             || format.channels   <= 0  in wave_read_header()
110             || format.samplerate <= 0  in wave_read_header()
111             || format.framesize  <= 0  in wave_read_header()
112             || format.byterate   != format.samplerate * format.framesize)  in wave_read_header()
115     fseek(fp, sizeof(format) - (8 + format.size), SEEK_CUR);  in wave_read_header()
123     *bitdepth = format.bitdepth;  in wave_read_header()
124     *samplesize = format.framesize / format.channels;  in wave_read_header()
125     *samplerate = format.samplerate;  in wave_read_header()
126     *nchannels = format.channels;  in wave_read_header()
127     *nframes = data.size / format.framesize;  in wave_read_header()
149         struct wave_format format;  in wave_write_header()  member
161     header.format = (struct wave_format){  in wave_write_header()
162         WAVE_FORMAT_ID, sizeof(header.format) - 8,  in wave_write_header()