Function gdk_sys::gdk_pango_layout_get_clip_region

pub unsafe extern "C" fn gdk_pango_layout_get_clip_region(
    layout: *mut PangoLayout, 
    x_origin: c_int, 
    y_origin: c_int, 
    index_ranges: *const c_int, 
    n_ranges: c_int
) -> *mut cairo_region_t