DBNetClose()
 Close a database or databases.
-------------------------------------------------------------------------------

 Syntax:

     DBNetClose( <acAliases> | <cAliase> ) --> NIL

 Arguments:

     <acAliases> is an array of character expressions representing the list
     of ALIAS names of .DBF files to close.

     <cAliase> is a character expression representing an ALIAS name of a .DBF
     file to close.

 Returns:

     DBNetClose() always return NIL.

 Description:

     DBNetClose() is a function which will close the file or files whose
     ALIASEs are represented by the character expression(s) passed to it.
     If the file or any one of the files are not open, no error will occur.

 Example:

     BEGIN SEQUENCE
        NETUSE employee INDEX employee NEW
        NETUSE client INDEX client NEW
        // do some processing
        .....
        .....
        // finished the processing
     END SEQUENCE
     DBNetClose( { "employee", "client" } )


 Files:  Library is CUACLIP.LIB