pub unsafe extern "C" fn intersection_lines(
Line1Row1: f64,
Line1Column1: f64,
Line1Row2: f64,
Line1Column2: f64,
Line2Row1: f64,
Line2Column1: f64,
Line2Row2: f64,
Line2Column2: f64,
Row: *mut f64,
Column: *mut f64,
IsOverlapping: *mut Hlong,
) -> Herror