typedef unsigned char byte; typedef struct stream_s stream; typedef struct gx_device_pdf_s gx_device_pdf; struct gx_device_pdf_s { stream *strm; }; static __inline__ void pdf_xml_attribute_value_data(stream *s, const byte *data, int data_length) { } static int pdf_write_document_metadata(gx_device_pdf *pdev, const byte digest[6]) { stream *s = pdev->strm; { { pdf_xmp_write_docinfo_item(pdev, s, "/Producer", "UnknownProduicer", pdf_xml_attribute_value_data); } } }