[BusyBox] Today's ash improvements

[Aaron Lehmann]

On Sun, Aug 05, 2001 at 08:36:24PM -0400, ?????? wrote:
> > to (is_digit(c)||c=='!'||c=='#'||c=='$'||c=='*'||c=='-').
> How about:
> strchr("!@$%#$0123456789", c) or
> is_digit(c)||strchr("!@$%#$", c)

Nice try, but the overhead of the function call adds about 32 bytes
over my version.