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 DrvFlgGet()
------------------------------------------------------------------------------
 Purpose:
 Get status flags for a drive letter.

 Syntax:
 iFlags = DrvFlgGet( lpszDrive )

 Parameters:
 lpszDrive The drive letter.

 Returns:
 A numeric value (signed short int).

 Description:
 DrvFlgGet() returns the status flag of the drive specified by its drive
 letter lpszDrive. If a null string parameter is passed (""), DrvFlgGet()
 assumes the current drive. The return value is one of the following:

 Unused                 <= 0
 Permanent mapped          1
 Temporary mapped          2
 Local unmapped          128
 Local permanent mapped  129
 Local temporary mapped  130

 This function has no error condition.

 Example:
 // To return the status of drive H:
 iCurrStat = DrvFlgGet("H")
 if ( iCurrStat != NOVERRINT )
    ? "The flags for drive H: are ", iCurrStat
 endif