Int 88  - Apl*plus/pc - Determine Name Status                              [r]

   AL = FFh
   ES:SI -> name
   CX = length of name

Return: CF set if name ill-formed or already in use
       BX = STPTR if already in symbol table
   CF clear if name is available for use
       BX = 0000h

Note:  forces the name into the workspace and makes it immune from outswapping

See Also: AL=F9h,AL=FEh,INT C8"APL"