pub unsafe extern "C" fn babl_space_from_rgbxyz_matrix(
    name: *const c_char,
    wx: f64,
    wy: f64,
    wz: f64,
    rx: f64,
    gx: f64,
    bx: f64,
    ry: f64,
    gy: f64,
    by: f64,
    rz: f64,
    gz: f64,
    bz: f64,
    trc_red: *const Babl,
    trc_green: *const Babl,
    trc_blue: *const Babl
) -> *const Babl