NLM_MAXADDRSTR
char haddr[NLM_MAXADDRSTR];
char addrbuf[NLM_MAXADDRSTR];
if (nlm_netbuf_str(arg->addrbuf, NLM_MAXADDRSTR, &nh->nh_addr) < 0)
char addrbuf[NLM_MAXADDRSTR];
if (nlm_netbuf_str(arg->addrbuf, NLM_MAXADDRSTR, &nh->nh_addr) < 0)