dump_nodes
void dump_nodes(FILE *, const char *, NODE *, int);
dump_nodes(stdout, "", spec(spec1), Dflag);
dump_nodes(fp, path, cur->child, pathlast);
if (dump_nodes(NULL, IEEE80211_SYSCTL_T_NODE, &cf) != 0)
if (dump_nodes(argv[i], IEEE80211_SYSCTL_T_NODE, &cf) != 0)
static int dump_nodes(const char *, int, struct cmdflags *);