Character-type macro question

[B.Altman]

> <<<<<<<<
> 
> Can anybody tell me what sort of characters the ctype macro 'isxdigit' selects?
> This appears to be undocumented in BSD4.2.
> 
> Alternatively, where can I find the definition of the table '_ctype_[]'?

There should be a file in libc source called ctype.c.
It has the definition of the table.
The standard place on SVR2 is /usr/src/lib/libc/port/gen/ctype.c.
Hope it helps.
			Boris Altman
			AT&T Bell Labs Summit NJ
			{ucbvax,ihnp4,allegra}!attunix!boris