Function atk_text_scroll_substring_to_point 

pub unsafe extern "C" fn atk_text_scroll_substring_to_point(
    text: *mut AtkText,
    start_offset: c_int,
    end_offset: c_int,
    coords: AtkCoordType,
    x: c_int,
    y: c_int,
) -> gboolean

Available on crate feature v2_32 only.