Name
comedi_get_write_subdevice — find streaming output subdevice
Synopsis
#include <comedilib.h>
int comedi_get_write_subdevice( | comedi_t * device); |
Description
The function comedi_get_write_subdevice returns the
index of the subdevice
whose streaming output buffer is currently accessible through the
device device, if there is one.
Return value
On success, comedi_get_write_subdevicereturns the index
of the current “write” subdevice if there is one,
or -1 if there is no “write” subdevice.
On failure, -1 is returned.