Function iup_sys::IupGetRGBId2

pub unsafe extern "C" fn IupGetRGBId2(
    ih: *mut Ihandle, 
    name: *const c_char, 
    lin: c_int, 
    col: c_int, 
    r: *mut c_uchar, 
    g: *mut c_uchar, 
    b: *mut c_uchar
)