Function ifconfig_ctor

tools/ifconfig/ifconfig.c:1834–1841

	DEF_CMD_ARG("name",			setifname),
};

static __constructor void
ifconfig_ctor(void)
{
	size_t i;

	for (i = 0; i < nitems(basic_cmds);  i++)
		cmd_register(&basic_cmds[i]);
}