pub unsafe extern "C" fn xmlIOParseDTD(
sax: *mut xmlSAXHandler,
input: *mut xmlParserInputBuffer,
enc: xmlCharEncoding,
) -> *mut xmlDtdpub unsafe extern "C" fn xmlIOParseDTD(
sax: *mut xmlSAXHandler,
input: *mut xmlParserInputBuffer,
enc: xmlCharEncoding,
) -> *mut xmlDtd