Here is an example of the output from the sf_info program distributed with libsndfile.

This file was opened and parsed correctly but had been truncated so that the values in the FORM and SSND chunks were incorrect. 
        erikd@hendrix > examples/sf_info truncated.aiff 
        truncated.aiff
        size : 200000
        FORM : 307474 (should be 199992)
         AIFF
         COMM : 18
          Sample Rate : 16000
          Samples     : 76857
          Channels    : 2
          Sample Size : 16
         SSND : 307436 (should be 199946)
          Offset     : 0
          Block Size : 0
        
        --------------------------------
        Sample Rate : 16000
        Samples     : 76857
        Channels    : 2
        Bit Width   : 16
        Format      : 0x00020001
        Sections    : 1
        Seekable    : TRUE
        Signal Max  : 32766