find_type_by_name
dev_num = find_type_by_name(device_name, "iio:device");
dev_num = find_type_by_name(device_name, "iio:device");
trig_num = find_type_by_name(trigger_name, "trigger");
trig_num = find_type_by_name(trigger_name, "trigger");
int find_type_by_name(const char *name, const char *type);