pub unsafe extern "C" fn emscripten_webgl_create_context(
target: *const c_char,
attributes: *const EmscriptenWebGLContextAttributes
) -> EMSCRIPTEN_WEBGL_CONTEXT_HANDLEpub unsafe extern "C" fn emscripten_webgl_create_context(
target: *const c_char,
attributes: *const EmscriptenWebGLContextAttributes
) -> EMSCRIPTEN_WEBGL_CONTEXT_HANDLE