Todd C. Miller:

> It is important to cast to unsigned char before assigning to an int
> or passing to a function that expects an int.  Otherwise, a signed
> char > 127 becomes a negative value when converted to int.
-snip-

Right.  I had checked that *buf or *p aren't passed to isfoo(), but
I missed the assignment to c and subsequent isfoo(c).

ok naddy

-- 
Christian "naddy" Weisgerber                          naddy@mips.inka.de