Type Definition glu_sys::glu::PFNGLCOMPRESSEDTEXSUBIMAGE1DARBPROC

type PFNGLCOMPRESSEDTEXSUBIMAGE1DARBPROC = Option<unsafe extern "C" fn(target: GLenum, level: GLint, xoffset: GLint, width: GLsizei, format: GLenum, imageSize: GLsizei, data: *const c_void)>;