pub unsafe extern "C" fn xmlRelaxNGSetValidStructuredErrors(
ctxt: xmlRelaxNGValidCtxtPtr,
serror: xmlStructuredErrorFunc,
ctx: *mut c_void,
)pub unsafe extern "C" fn xmlRelaxNGSetValidStructuredErrors(
ctxt: xmlRelaxNGValidCtxtPtr,
serror: xmlStructuredErrorFunc,
ctx: *mut c_void,
)