use std::os::raw::*; const MIN_BORDER_WIDTH: c_int = 0; const MAX_BORDER_WIDTH: c_int = 10000; #[no_mangle] pub extern "C" fn constraints_border_width(border_width: c_int) -> c_int { if border_width < MIN_BORDER_WIDTH { return MIN_BORDER_WIDTH } if border_width > MAX_BORDER_WIDTH { return MAX_BORDER_WIDTH } border_width }