libXNVCtrl_sys

Function XNVCTRLQueryGvoColorConversion

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