Type Definition glu_sys::glu::PFNGLCOMPRESSEDTEXTURESUBIMAGE2DPROC

type PFNGLCOMPRESSEDTEXTURESUBIMAGE2DPROC = Option<unsafe extern "C" fn(texture: GLuint, level: GLint, xoffset: GLint, yoffset: GLint, width: GLsizei, height: GLsizei, format: GLenum, imageSize: GLsizei, data: *const c_void)>;