Function gluProject

pub unsafe fn gluProject(
    objx: f64,
    objy: f64,
    objz: f64,
    modelmatrix: *const f64,
    projmatrix: *const f64,
    viewport: *const i32,
    winx: *mut f64,
    winy: *mut f64,
    winz: *mut f64,
) -> i32