# server_client_ensure_ranges

- **Language:** C
- **Kind:** function
- **Source:** https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/server-client.c#L167
- **Page:** https://libtmux.org/en/tmux/latest/reference/c-function-server_client_ensure_ranges/

```c
void server_client_ensure_ranges(struct visible_ranges *r, u_int n)
```

## Parameters

- `r` (`struct visible_ranges *`)
- `n` (`u_int`)

## Called by

- [`popup_check_cb`](/en/tmux/latest/reference/c-function-popup-c-popup_check_cb/) (function) [Call site](https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/popup.c#L269)
- [`screen_redraw_get_visible_ranges`](/en/tmux/latest/reference/c-function-screen_redraw_get_visible_ranges/) (function) [Call site](https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/screen-redraw.c#L1174)
- [`server_client_overlay_range`](/en/tmux/latest/reference/c-function-server_client_overlay_range/) (function) [Call site](https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/server-client.c#L187)
- [`tty_check_overlay_range`](/en/tmux/latest/reference/c-function-tty_check_overlay_range/) (function) [Call site](https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/tty.c#L1510)

## Calls

- [`xrecallocarray`](/en/tmux/latest/reference/c-function-xrecallocarray/) (function) [Call site](https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/server-client.c#L171)

## Referenced declarations

- [`visible_ranges.ranges`](/en/tmux/latest/reference/c-struct-visible_ranges-ranges/) (attribute)
- [`visible_ranges.size`](/en/tmux/latest/reference/c-struct-visible_ranges-size/) (attribute)
- [`visible_ranges`](/en/tmux/latest/reference/c-struct-visible_ranges/) (struct)