Function libxml::bindings::xmlRelaxNGGetValidErrors

pub unsafe extern "C" fn xmlRelaxNGGetValidErrors(
    ctxt: xmlRelaxNGValidCtxtPtr, 
    err: *mut xmlRelaxNGValidityErrorFunc, 
    warn: *mut xmlRelaxNGValidityWarningFunc, 
    ctx: *mut *mut c_void
) -> c_int