inet6_n2a
static const char * inet6_n2a(struct in6_addr *, uint32_t);
inet6_n2a(&pifasa->sin6.sin6_addr,
const char *p = inet6_n2a(&pgsa->sin6.sin6_addr,
printf("\t%s/%d [%d]", inet6_n2a(&np->rip6_dest),
static const char *inet6_n2a(struct in6_addr *);