Function libXNVCtrl_sys::XNVCTRLQueryGvoColorConversion

pub unsafe extern "C" fn XNVCTRLQueryGvoColorConversion(
    dpy: *mut Display, 
    screen: c_int, 
    colorMatrix: *mut [f32; 3], 
    colorOffset: *mut f32, 
    colorScale: *mut f32
) -> c_int