lim0 283 netinet6/in6.c in6_mask2len(mask, lim0) lim0 285 netinet6/in6.c u_char *lim0; lim0 288 netinet6/in6.c u_char *lim = lim0, *p; lim0 291 netinet6/in6.c if (lim0 == NULL || lim0 - (u_char *)mask > sizeof(*mask))