Function gtk4_sys::gtk_constraint_layout_add_constraints_from_descriptionv

pub unsafe extern "C" fn gtk_constraint_layout_add_constraints_from_descriptionv(
    layout: *mut GtkConstraintLayout, 
    lines: *const *const c_char, 
    n_lines: size_t, 
    hspacing: c_int, 
    vspacing: c_int, 
    views: *mut GHashTable, 
    error: *mut *mut GError
) -> *mut GList