#include <nwps_pdf.h> or #include <nwpsrv.h> NWCCODE NWAPI NWPSPdfUpdateDevice (WORD connType, DWORD connID, char NWFAR oldDeviceName, char NWFAR newDeviceName);
NWCCODE NWAPI NWPSPdfUpdateDevice (WORD connType, DWORD connID, char NWFAR oldDeviceName, char NWFAR newDeviceName);