Function leptonica_sys::pixColorContent

pub unsafe extern "C" fn pixColorContent(
    pixs: *mut PIX, 
    rref: l_int32, 
    gref: l_int32, 
    bref: l_int32, 
    mingray: l_int32, 
    ppixr: *mut *mut PIX, 
    ppixg: *mut *mut PIX, 
    ppixb: *mut *mut PIX
) -> l_ok