Function input_sys::libinput_device_group_get_user_data

pub unsafe extern 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