Function xmlXIncludeSetErrorHandler 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn xmlXIncludeSetErrorHandler(
    ctxt: xmlXIncludeCtxtPtr,
    handler: Option<xmlXIncludeErrorFunc>,
    data: *mut c_void,
)

Set the error handler and its data on the context.

UPSTREAM-PARITY

void xmlXIncludeSetErrorHandler(xmlXIncludeCtxt *ctxt,
                                xmlXIncludeErrorFunc handler,
                                void *data);

SAFETY

ctxt must be NULL or a valid context created by xmlXIncludeNewContext; data must be NULL or a valid pointer for as long as the handler may be called.