46 	struct env *e;  in env_add()  local
48 	e = xmalloc(sizeof(*e));  in env_add()
49 	e->name = xstrdup(name);  in env_add()
50 	e->value = xstrdup(value);  in env_add()
52 	list_add_tail(&e->node, &env_list);  in env_add()
55 static void env_del(struct env *e)  in env_del()  argument
57 	list_del(&e->node);  in env_del()
58 	free(e->name);  in env_del()
59 	free(e->value);  in env_del()
60 	free(e);  in env_del()
66 	struct env *e;  in env_expand()  local
72 	list_for_each_entry(e, &env_list, node) {  in env_expand()
73 		if (!strcmp(name, e->name))  in env_expand()
74 			return xstrdup(e->value);  in env_expand()
92 	struct env *e, *tmp;  in env_write_dep()  local
94 	list_for_each_entry_safe(e, tmp, &env_list, node) {  in env_write_dep()
95 		fprintf(f, "ifneq \"$(%s)\" \"%s\"\n", e->name, e->value);  in env_write_dep()
98 		env_del(e);  in env_write_dep()