Function emscripten_sys::emscripten_set_webglcontextrestored_callback

pub unsafe extern fn emscripten_set_webglcontextrestored_callback(target: *const c_char,
                                                                  userData: *mut c_void,
                                                                  useCapture: c_int,
                                                                  callback: em_webgl_context_callback)
                                                                  -> c_int