comedi_get_buffer_offset - streaming buffer status
#include <comedilib.h>
int comedi_get_buffer_offset (comedi_t * device, unsigned int
subdevice);
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