It's the same, AFAIK. Although I recommend to stick to the max 10 characters, because longer field names can cause some problems.

Update: I just tried with this code, and 128 was OK, 129 caused an error

xx=Replicate('a',128) + ' c(10)'
Create Cursor temp (&xx)

>That applies to tables in a database container. There is nothing in help that says anything about cursors.
>
>>128. Check Visual FoxPro System Capacities in Help
>>
>>>Can anyone tell me the maximum number of characters you can have in a field name using the syntax CREATE CURSOR