46 	struct environ	*env;  in environ_create()  local
48 	env = xcalloc(1, sizeof *env);  in environ_create()
49 	RB_INIT(env);  in environ_create()
51 	return (env);  in environ_create()
56 environ_free(struct environ *env)  in environ_free()  argument
60 	RB_FOREACH_SAFE(envent, environ, env, envent1) {  in environ_free()
61 		RB_REMOVE(environ, env, envent);  in environ_free()
66 	free(env);  in environ_free()
70 environ_first(struct environ *env)  in environ_first()  argument
72 	return (RB_MIN(environ, env));  in environ_first()
78 	return (RB_NEXT(environ, env, envent));  in environ_next()
99 environ_find(struct environ *env, const char *name)  in environ_find()  argument
104 	return (RB_FIND(environ, env, &envent));  in environ_find()
109 environ_set(struct environ *env, const char *name, int flags, const char *fmt,  in environ_set()  argument
116 	if ((envent = environ_find(env, name)) != NULL) {  in environ_set()
125 		RB_INSERT(environ, env, envent);  in environ_set()
132 environ_clear(struct environ *env, const char *name)  in environ_clear()  argument
136 	if ((envent = environ_find(env, name)) != NULL) {  in environ_clear()
144 		RB_INSERT(environ, env, envent);  in environ_clear()
150 environ_put(struct environ *env, const char *var, int flags)  in environ_put()  argument
162 	environ_set(env, name, flags, "%s", value);  in environ_put()
168 environ_unset(struct environ *env, const char *name)  in environ_unset()  argument
172 	if ((envent = environ_find(env, name)) == NULL)  in environ_unset()
174 	RB_REMOVE(environ, env, envent);  in environ_unset()
212 environ_push(struct environ *env)  in environ_push()  argument
217 	RB_FOREACH(envent, environ, env) {  in environ_push()
227 environ_log(struct environ *env, const char *fmt, ...)  in environ_log()  argument
237 	RB_FOREACH(envent, environ, env) {  in environ_log()
251 	struct environ	*env;  in environ_for_session()  local
255 	env = environ_create();  in environ_for_session()
256 	environ_copy(global_environ, env);  in environ_for_session()
258 		environ_copy(s->environ, env);  in environ_for_session()
262 		environ_set(env, "TERM", 0, "%s", value);  in environ_for_session()
263 		environ_set(env, "TERM_PROGRAM", 0, "%s", "tmux");  in environ_for_session()
264 		environ_set(env, "TERM_PROGRAM_VERSION", 0, "%s", getversion());  in environ_for_session()
271 	environ_set(env, "TMUX", 0, "%s,%ld,%d", socket_path, (long)getpid(),  in environ_for_session()
274 	return (env);  in environ_for_session()