Function titanium::desktop::gui::libdruid::piet::cairo::glib::ffi::g_log_set_writer_func

pub unsafe extern "C" fn g_log_set_writer_func(
    func: Option<unsafe extern "C" fn(_: u32, _: *const GLogField, _: usize, _: *mut c_void) -> i32>,
    user_data: *mut c_void,
    user_data_free: Option<unsafe extern "C" fn(_: *mut c_void)>
)