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 PrnErrStatGet()
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 Purpose:
 Get the error status of a printer.

 Syntax:
 iStat = PrnErrStatGet( wPtrNum )

 Parameters:
 wPtrNum The printer number.

 Returns:
 A numeric value (signed short int).

 Description:
 PrnErrStatGet() returns the current problem status of the specified
 printer wPtrNum on the current print server.

 The problem can be determined from the following table of return codes.

 0  No problem with printer.
 1  Printer is Offline.
 2  Printer is out of paper.

 Returns NOVERRINT if an error occurs.

 Example:
 // To log in to print server PRINTERS and test if printer 0 has a problem:
 if( PSWSLogin( "PRINTERS" ) > 0 )
    iCode = PrnErrStatGet( 0 )
    ? "Printer 0 on print server PRINTERS is "
    do case
       case iCode = 0
          ?? "OK."
       case iCode = 1
          ?? "Offline."
       case iCode = 2
          ?? "Out of paper."
    endcase
 endif

 Notes:
 It is only possible to be logged in to one print server at a time.