Function libharu_sys::HPDF_AddPageLabel

pub unsafe extern "C" fn HPDF_AddPageLabel(
    pdf: HPDF_Doc, 
    page_num: HPDF_UINT, 
    style: HPDF_PageNumStyle, 
    first_page: HPDF_UINT, 
    prefix: *const c_char
) -> HPDF_STATUS