IEEE80211_SYSCTL_T_NODE
hdr_type != IEEE80211_SYSCTL_T_NODE || eltsize < 1 || nelt < 0)
if (dump_nodes(NULL, IEEE80211_SYSCTL_T_NODE, &cf) != 0)
if (dump_nodes(argv[i], IEEE80211_SYSCTL_T_NODE, &cf) != 0)