Name
comedi_get_buffer_read_count — streaming buffer read count
Synopsis
#include <comedilib.h>
| int comedi_get_buffer_read_count( | comedi_t * device, | 
|  | unsigned int subdevice, | 
|  | unsigned int * read_count ); | 
 
      Description
    
The function comedi_get_buffer_read_count is used on
a subdevice that has a Comedi command in progress to get the number of bytes
that have been read from the buffer, modulo
UINT_MAX + 1.  The
value is stored in
*read_count.
    
      Return value
    
On success, 0 is returned.
On failure, -1 is returned.