4a5,6
> *
> * $FreeBSD: head/contrib/tcp_wrappers/misc.c 56977 2000-02-03 10:27:03Z shin $
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> #ifdef INET6
> int bracket = 0;
>
> for (cp = string; cp && *cp; cp++) {
> switch (*cp) {
> case '[':
> bracket++;
> break;
> case ']':
> bracket--;
> break;
> default:
> if (bracket == 0 && *cp == delimiter) {
> *cp++ = 0;
> return cp;
> }
> break;
> }
> }
> return (NULL);
> #else
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> #endif