Type Definition glu_sys::glu::PFNGLCOMPRESSEDTEXTUREIMAGE1DEXTPROC

type PFNGLCOMPRESSEDTEXTUREIMAGE1DEXTPROC = Option<unsafe extern "C" fn(texture: GLuint, target: GLenum, level: GLint, internalformat: GLenum, width: GLsizei, border: GLint, imageSize: GLsizei, bits: *const c_void)>;