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NAME

       comedi_get_buffer_offset - streaming buffer status

SYNOPSIS

       #include <comedilib.h>

       int   comedi_get_buffer_offset   (comedi_t   *   device,  unsigned  int
       subdevice);

DESCRIPTION

       The function comedi_get_buffer_offset() is used on a subdevice that has
       a  Comedi  command  in  progress.   This function returns the offset in
       bytes of the read pointer in the streaming buffer.  This offset is only
       useful  for  memory  mapped  buffers.   If  there  is  an  error, -1 is
       returned.

                                28 October 2007