# environ_free

- **Language:** C
- **Kind:** function
- **Source:** https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/environ.c#L56
- **Page:** https://libtmux.org/en/tmux/3.2a/reference/c-function-environ_free/

```c
void environ_free(struct environ *env)
```

## Parameters

- `env` (`struct environ *`)

## Called by

- [`client_main`](/en/tmux/3.2a/reference/c-function-client_main/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/client.c#L334)
- [`cmd_new_window_exec`](/en/tmux/3.2a/reference/c-function-cmd-new-window-c-cmd_new_window_exec/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/cmd-new-window.c#L153)
- [`cmd_respawn_pane_exec`](/en/tmux/3.2a/reference/c-function-cmd-respawn-pane-c-cmd_respawn_pane_exec/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/cmd-respawn-pane.c#L96)
- [`cmd_respawn_window_exec`](/en/tmux/3.2a/reference/c-function-cmd-respawn-window-c-cmd_respawn_window_exec/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/cmd-respawn-window.c#L92)
- [`cmd_split_window_exec`](/en/tmux/3.2a/reference/c-function-cmd-split-window-c-cmd_split_window_exec/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/cmd-split-window.c#L188)
- [`job_run`](/en/tmux/3.2a/reference/c-function-job_run/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/job.c#L128)
- [`server_client_lost`](/en/tmux/3.2a/reference/c-function-server_client_lost/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/server-client.c#L368)
- [`session_free`](/en/tmux/3.2a/reference/c-function-session-c-session_free/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/session.c#L191)
- [`spawn_pane`](/en/tmux/3.2a/reference/c-function-spawn_pane/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/spawn.c#L372)

## Referenced declarations

- [`environ`](/en/tmux/3.2a/reference/c-struct-environ/) (struct)
- [`environ_entry.name`](/en/tmux/3.2a/reference/c-struct-environ_entry-name/) (attribute)
- [`environ_entry.value`](/en/tmux/3.2a/reference/c-struct-environ_entry-value/) (attribute)