# cmd_set_environment_exec

- **Language:** C
- **Kind:** function
- **Source:** https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/cmd-set-environment.c#L47
- **Page:** https://libtmux.org/en/tmux/latest/reference/c-function-cmd-set-environment-c-cmd_set_environment_exec/

tmux command: [`set-environment`](/en/tmux/latest/manual/set-environment/)

```c
static enum cmd_retval cmd_set_environment_exec(struct cmd *, struct cmdq_item *)
```

## Parameters

- `self` (`struct cmd *`)
- `item` (`struct cmdq_item *`)

## Calls

- [`args_count`](/en/tmux/latest/reference/c-function-args_count/) (function) [Call site](https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/cmd-set-environment.c#L66)
- [`args_get`](/en/tmux/latest/reference/c-function-args_get/) (function) [Call site](https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/cmd-set-environment.c#L78)
- [`args_has`](/en/tmux/latest/reference/c-function-args_has/) (function) [Call site](https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/cmd-set-environment.c#L74)
- [`args_string`](/en/tmux/latest/reference/c-function-args_string/) (function) [Call site](https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/cmd-set-environment.c#L52)
- [`cmd_get_args`](/en/tmux/latest/reference/c-function-cmd_get_args/) (function) [Call site](https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/cmd-set-environment.c#L49)
- [`cmdq_error`](/en/tmux/latest/reference/c-function-cmdq_error/) (function) [Call site](https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/cmd-set-environment.c#L58)
- [`cmdq_get_target`](/en/tmux/latest/reference/c-function-cmdq_get_target/) (function) [Call site](https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/cmd-set-environment.c#L50)
- [`environ_clear`](/en/tmux/latest/reference/c-function-environ_clear/) (function) [Call site](https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/cmd-set-environment.c#L102)
- [`environ_set`](/en/tmux/latest/reference/c-function-environ_set/) (function) [Call site](https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/cmd-set-environment.c#L113)
- [`environ_unset`](/en/tmux/latest/reference/c-function-environ_unset/) (function) [Call site](https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/cmd-set-environment.c#L95)
- [`format_single_from_target`](/en/tmux/latest/reference/c-function-format_single_from_target/) (function) [Call site](https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/cmd-set-environment.c#L71)

## Referenced by

- [`cmd_set_environment_entry`](/en/tmux/latest/reference/c-variable-cmd_set_environment_entry/) (attribute)

## Referenced declarations

- [`cmd`](/en/tmux/latest/reference/c-struct-cmd/) (struct)
- [`CMD_RETURN_ERROR`](/en/tmux/latest/reference/c-enum-cmd_retval-cmd_return_error/) (constant)
- [`CMD_RETURN_NORMAL`](/en/tmux/latest/reference/c-enum-cmd_retval-cmd_return_normal/) (constant)
- [`cmd_retval`](/en/tmux/latest/reference/c-enum-cmd_retval/) (enum)
- [`cmdq_item`](/en/tmux/latest/reference/c-struct-cmdq_item/) (struct)
- [`session.environ`](/en/tmux/latest/reference/c-struct-session-environ/) (attribute)
- [`ENVIRON_HIDDEN`](/en/tmux/latest/reference/c-define-tmux-h-environ_hidden/) (constant)
- [`global_environ`](/en/tmux/latest/reference/c-variable-global_environ/) (attribute)
- [`cmd_find_state.s`](/en/tmux/latest/reference/c-struct-cmd_find_state-s/) (attribute)