Function gtk_sys::gtk_icon_theme_choose_icon_for_scale

pub unsafe extern "C" fn gtk_icon_theme_choose_icon_for_scale(
    icon_theme: *mut GtkIconTheme,
    icon_names: *mut *const c_char,
    size: c_int,
    scale: c_int,
    flags: GtkIconLookupFlags
) -> *mut GtkIconInfo