Function atk_sys::atk_text_get_text_before_offset

pub unsafe extern "C" fn atk_text_get_text_before_offset(
    text: *mut AtkText, 
    offset: c_int, 
    boundary_type: AtkTextBoundary, 
    start_offset: *mut c_int, 
    end_offset: *mut c_int
) -> *mut c_char