Function libharu_sys::HPDF_Page_SetRGBFill

pub unsafe extern "C" fn HPDF_Page_SetRGBFill(
    page: HPDF_Page, 
    r: HPDF_REAL, 
    g: HPDF_REAL, 
    b: HPDF_REAL
) -> HPDF_STATUS