Function env_add

scripts/config/preprocess.c:44–53

};

static void env_add(const char *name, const char *value)
{
	struct env *e;

	e = xmalloc(sizeof(*e));
	e->name = xstrdup(name);
	e->value = xstrdup(value);

	list_add_tail(&e->node, &env_list);
}

static void env_del(struct env *e)
{