Function libinput_device_group_get_user_data

pub unsafe extern "C" fn libinput_device_group_get_user_data(
    group: *mut libinput_device_group,
) -> *mut c_void

@ingroup device

Get the caller-specific data associated with this input device group, if any.

@param group A previously obtained group @return Caller-specific data pointer or NULL if none was set @see libinput_device_group_set_user_data