comedi_dio_bitfield — read/write multiple digital channels
#include <comedilib.h>
| int comedi_dio_bitfield( | comedi_t * device, | 
| unsigned int subdevice, | |
| unsigned int write_mask, | |
| unsigned int * bits ); | 
This function is deprecated.  Use comedi_dio_bitfield2
instead.  It is equivalent to using comedi_dio_bitfield2
with base_channel set to
0.