man comedi_get_n_ranges (Fonctions bibliothèques) - number of ranges of channel
NAME
comedi_get_n_ranges - number of ranges of channel
SYNOPSIS
#include <comedilib.h> int comedi_get_n_ranges (comedi_t * device, unsigned int subdevice, unsigned int channel);
DESCRIPTION
The function comedi_get_n_ranges() returns the number of ranges of the channel chan belonging to the subdevice of the comedi device device. This function returns -1 on error.