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 NUMDISKL()
 Determines the number of available logical drives
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 Syntax

     NUMDISKL() --> nNumber

 Returns

     The returned value gives the number of logical drives used by DOS.

 Description

     NUMDISKL() returns the number of available drives or the value specified
     by LASTDRIVE = in CONFIG.SYS.  In a NOVELL network, you can determine
     which is the first network drive (LASTDRIVE +1).

 Note

     .  Normally, the function return value is 5, if there is no
        deviating input in CONFIG.SYS for LASTDRIVE =.

 Example

     Display which drive is the first network drive:

     ? "First Network Drive:  " + CHR(NUMDISKL() + 65) + ":"