# window_copy_vadd

- **Language:** C
- **Kind:** function
- **Source:** https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/window-copy.c#L513
- **Page:** https://libtmux.org/en/tmux/3.2a/reference/c-function-window_copy_vadd/

```c
void window_copy_vadd(struct window_pane *wp, const char *fmt, va_list ap)
```

## Parameters

- `wp` (`struct window_pane *`)
- `fmt` (`const char *`)
- `ap` (`va_list`)

## Called by

- [`window_copy_add`](/en/tmux/3.2a/reference/c-function-window_copy_add/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/window-copy.c#L508)

## Calls

- [`screen_write_carriagereturn`](/en/tmux/3.2a/reference/c-function-screen_write_carriagereturn/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/window-copy.c#L531)
- [`screen_write_linefeed`](/en/tmux/3.2a/reference/c-function-screen_write_linefeed/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/window-copy.c#L532)
- [`screen_write_start`](/en/tmux/3.2a/reference/c-function-screen_write_start/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/window-copy.c#L525)
- [`screen_write_start_pane`](/en/tmux/3.2a/reference/c-function-screen_write_start_pane/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/window-copy.c#L541)
- [`screen_write_stop`](/en/tmux/3.2a/reference/c-function-screen_write_stop/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/window-copy.c#L537)
- [`screen_write_vnputs`](/en/tmux/3.2a/reference/c-function-screen_write_vnputs/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/window-copy.c#L536)
- [`window_copy_redraw_lines`](/en/tmux/3.2a/reference/c-function-window-copy-c-window_copy_redraw_lines/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/window-copy.c#L548)

## Referenced declarations

- [`window_copy_mode_data.backing`](/en/tmux/3.2a/reference/c-struct-window_copy_mode_data-backing/) (attribute)
- [`screen.cy`](/en/tmux/3.2a/reference/c-struct-screen-cy/) (attribute)
- [`grid_cell.data`](/en/tmux/3.2a/reference/c-struct-grid_cell-data/) (attribute)
- [`window_mode_entry.data`](/en/tmux/3.2a/reference/c-struct-window_mode_entry-data/) (attribute)
- [`grid_default_cell`](/en/tmux/3.2a/reference/c-variable-grid_default_cell/) (attribute)
- [`window_pane.modes`](/en/tmux/3.2a/reference/c-struct-window_pane-modes/) (attribute)
- [`screen_hsize`](/en/tmux/3.2a/reference/c-define-tmux-h-screen_hsize/) (constant)
- [`window_pane`](/en/tmux/3.2a/reference/c-struct-window_pane/) (struct)
- [`window_mode_entry.wp`](/en/tmux/3.2a/reference/c-struct-window_mode_entry-wp/) (attribute)