afReadFrames - read sample frames from a track in an audio file

       Michael Pruett <michael@68k.org>

Audio File Library 0.3.6                           03/06/2013                                    AFREADFRAMES(3)

       afReadFrames attempts to read up to count frames of audio data from the audio file handle file into the
       buffer at data.

       afReadFrames can produce these errors:

       AF_BAD_FILEHANDLE
           the file handle was invalid

       AF_BAD_TRACKID
           the track parameter is not AF_DEFAULT_TRACK

       AF_BAD_READ
           reading audio data from the file failed

       AF_BAD_LSEEK
           seeking within the file failed

       afReadFrames - read sample frames from a track in an audio file

file is a valid file handle returned by afOpenFile(3).

       track is always AF_DEFAULT_TRACK for all currently supported file formats.

       data is a buffer of storing count frames of audio sample data.

       count is the number of sample frames to be read.

       afReadFrames returns the number of frames successfully read from file.

afWriteFrames(3)

       #include <audiofile.h>

       AFframecount afReadFrames(AFfilehandle file, int track, void *data,
           int count);