# environ_put

- **Language:** C
- **Kind:** function
- **Source:** https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/environ.c#L150
- **Page:** https://libtmux.org/en/tmux/3.2a/reference/c-function-environ_put/

```c
void environ_put(struct environ *env, const char *var, int flags)
```

## Parameters

- `env` (`struct environ *`)
- `var` (`const char *`)
- `flags` (`int`)

## Called by

- [`cmd_new_session_exec`](/en/tmux/3.2a/reference/c-function-cmd-new-session-c-cmd_new_session_exec/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/cmd-new-session.c#L263)
- [`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#L117)
- [`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#L75)
- [`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#L73)
- [`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#L145)
- [`main`](/en/tmux/3.2a/reference/c-function-main/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/tmux.c#L353)
- [`server_client_dispatch_identify`](/en/tmux/3.2a/reference/c-function-server-client-c-server_client_dispatch_identify/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/server-client.c#L2279)

## Calls

- [`environ_set`](/en/tmux/3.2a/reference/c-function-environ_set/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/environ.c#L162)
- [`xstrdup`](/en/tmux/3.2a/reference/c-function-xstrdup/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/environ.c#L159)

## Referenced declarations

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