# format_expand1

- **Language:** C
- **Kind:** function
- **Source:** https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/format.c#L4432
- **Page:** https://libtmux.org/en/tmux/3.2a/reference/c-function-format-c-format_expand1/

```c
static char * format_expand1(struct format_expand_state *, const char *)
```

## Parameters

- `es` (`struct format_expand_state *`)
- `fmt` (`const char *`)

## Called by

- [`format_build_modifiers`](/en/tmux/3.2a/reference/c-function-format-c-format_build_modifiers/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/format.c#L3585)
- [`format_choose`](/en/tmux/3.2a/reference/c-function-format-c-format_choose/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/format.c#L3458)
- [`format_expand`](/en/tmux/3.2a/reference/c-function-format_expand/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/format.c#L4616)
- [`format_expand_time`](/en/tmux/3.2a/reference/c-function-format_expand_time/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/format.c#L4604)
- [`format_job_get`](/en/tmux/3.2a/reference/c-function-format-c-format_job_get/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/format.c#L384)
- [`format_loop_panes`](/en/tmux/3.2a/reference/c-function-format-c-format_loop_panes/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/format.c#L3855)
- [`format_loop_sessions`](/en/tmux/3.2a/reference/c-function-format-c-format_loop_sessions/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/format.c#L3728)
- [`format_loop_windows`](/en/tmux/3.2a/reference/c-function-format-c-format_loop_windows/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/format.c#L3803)
- [`format_replace`](/en/tmux/3.2a/reference/c-function-format-c-format_replace/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/format.c#L4163)
- [`format_session_name`](/en/tmux/3.2a/reference/c-function-format-c-format_session_name/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/format.c#L3695)
- [`format_window_name`](/en/tmux/3.2a/reference/c-function-format-c-format_window_name/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/format.c#L3754)

## Calls

- [`format_job_get`](/en/tmux/3.2a/reference/c-function-format-c-format_job_get/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/format.c#L4503)
- [`format_logging`](/en/tmux/3.2a/reference/c-function-format-c-format_logging/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/format.c#L4461)
- [`format_replace`](/en/tmux/3.2a/reference/c-function-format-c-format_replace/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/format.c#L4527)
- [`format_skip`](/en/tmux/3.2a/reference/c-function-format_skip/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/format.c#L4521)
- [`xmalloc`](/en/tmux/3.2a/reference/c-function-xmalloc/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/format.c#L4467)
- [`xreallocarray`](/en/tmux/3.2a/reference/c-function-xreallocarray/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/format.c#L4473)
- [`xstrdup`](/en/tmux/3.2a/reference/c-function-xstrdup/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/format.c#L4442)
- [`xstrndup`](/en/tmux/3.2a/reference/c-function-xstrndup/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/format.c#L4495)

## Referenced declarations

- [`format_expand_state.flags`](/en/tmux/3.2a/reference/c-struct-format_expand_state-flags/) (attribute)
- [`format_tree.flags`](/en/tmux/3.2a/reference/c-struct-format_tree-flags/) (attribute)
- [`FORMAT_EXPAND_NOJOBS`](/en/tmux/3.2a/reference/c-define-format-c-format_expand_nojobs/) (constant)
- [`format_expand_state`](/en/tmux/3.2a/reference/c-struct-format_expand_state/) (struct)
- [`FORMAT_EXPAND_TIME`](/en/tmux/3.2a/reference/c-define-format-c-format_expand_time/) (constant)
- [`format_log`](/en/tmux/3.2a/reference/c-define-format-c-format_log/) (constant)
- [`FORMAT_LOOP_LIMIT`](/en/tmux/3.2a/reference/c-define-format-c-format_loop_limit/) (constant)
- [`format_lower`](/en/tmux/3.2a/reference/c-variable-format-c-format_lower/) (attribute)
- [`FORMAT_NOJOBS`](/en/tmux/3.2a/reference/c-define-tmux-h-format_nojobs/) (constant)
- [`format_upper`](/en/tmux/3.2a/reference/c-variable-format-c-format_upper/) (attribute)
- [`format_expand_state.ft`](/en/tmux/3.2a/reference/c-struct-format_expand_state-ft/) (attribute)
- [`format_expand_state.loop`](/en/tmux/3.2a/reference/c-struct-format_expand_state-loop/) (attribute)
- [`format_tree.s`](/en/tmux/3.2a/reference/c-struct-format_tree-s/) (attribute)
- [`format_expand_state.time`](/en/tmux/3.2a/reference/c-struct-format_expand_state-time/) (attribute)
- [`format_expand_state.tm`](/en/tmux/3.2a/reference/c-struct-format_expand_state-tm/) (attribute)