DECLARE INTEGER GetPrinter IN winspool.drv ;
INTEGER hPrinter, INTEGER Lvl, STRING @pPrinter,;
INTEGER cbBuf, INTEGER @pcbNeeded

Here is the structure of PRINTER_INFO_2 of GETPRINTER function

pServerName As Long
pPrinterName As Long
pShareName As Long
pPortName As Long
pDriverName As Long
pComment As Long
pLocation As Long
pDevMode As Long 'DEVMODE
pSepFile As Long
pPrintProcessor As Long
pDatatype As Long
pParameters As Long
pSecurityDescriptor As Long 'SECURITY_DESCRIPTOR
Attributes As Long
Priority As Long
DefaultPriority As Long
StartTime As Long
UntilTime As Long
Status As Long
cJobs As Long
AveragePPM As Long

How can i get the pDriverName value ?