SONBlocks

  SONBLOCKS returns the number of blocks written to disk for the channel
  [NBLOCKS]=SONBLOCKS(FH,CHAN)
                     FH  SON file handle
                     CHAN is the channel number from 0 to SONMAXCHANS-1
  Returns 0 or the number of blocks;

  Author:Malcolm Lidierth
  Matlab SON library:
  Copyright © The Author & King's College London 2005-2006