# xstrndup

- **Language:** C
- **Kind:** function
- **Source:** https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/xmalloc.c#L99
- **Page:** https://libtmux.org/en/tmux/latest/reference/c-function-xstrndup/

```c
char * xstrndup(const char *str, size_t maxlen)
```

## Parameters

- `str` (`const char *`)
- `maxlen` (`size_t`)

## Called by

- [`colour_parseX11`](/en/tmux/latest/reference/c-function-colour_parsex11/) (function) [Call site](https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/colour.c#L1041)
- [`expand_path`](/en/tmux/latest/reference/c-function-tmux-c-expand_path/) (function) [Call site](https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/tmux.c#L127)
- [`format_bool_op_n`](/en/tmux/latest/reference/c-function-format-c-format_bool_op_n/) (function) [Call site](https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/format.c#L4590)
- [`format_build_modifiers`](/en/tmux/latest/reference/c-function-format-c-format_build_modifiers/) (function) [Call site](https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/format.c#L4453)
- [`format_cb_buffer_full`](/en/tmux/latest/reference/c-function-format-c-format_cb_buffer_full/) (function) [Call site](https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/format.c#L1442)
- [`format_choose`](/en/tmux/latest/reference/c-function-format-c-format_choose/) (function) [Call site](https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/format.c#L4320)
- [`format_draw`](/en/tmux/latest/reference/c-function-format_draw/) (function) [Call site](https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/format-draw.c#L825)
- [`format_expand1`](/en/tmux/latest/reference/c-function-format-c-format_expand1/) (function) [Call site](https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/format.c#L5695)
- [`format_replace`](/en/tmux/latest/reference/c-function-format-c-format_replace/) (function) [Call site](https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/format.c#L5080)
- [`input_osc_8`](/en/tmux/latest/reference/c-function-input-c-input_osc_8/) (function) [Call site](https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/input.c#L2965)

## Calls

- [`fatalx`](/en/tmux/latest/reference/c-function-fatalx/) (function) [Call site](https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/xmalloc.c#L104)