Function fltk::gl::gluProject

pub unsafe extern "C" fn gluProject(
    objX: f64, 
    objY: f64, 
    objZ: f64, 
    model: *const f64, 
    proj: *const f64, 
    view: *const i32, 
    winX: *mut f64, 
    winY: *mut f64, 
    winZ: *mut f64
) -> i32