# grid_expand_line

- **Language:** C
- **Kind:** function
- **Source:** https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/grid.c#L453
- **Page:** https://libtmux.org/en/tmux/3.2a/reference/c-function-grid-c-grid_expand_line/

```c
static void grid_expand_line(struct grid *gd, u_int py, u_int sx, u_int bg)
```

## Parameters

- `gd` (`struct grid *`)
- `py` (`u_int`)
- `sx` (`u_int`)
- `bg` (`u_int`)

## Called by

- [`grid_clear`](/en/tmux/3.2a/reference/c-function-grid_clear/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/grid.c#L631)
- [`grid_empty_line`](/en/tmux/3.2a/reference/c-function-grid_empty_line/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/grid.c#L481)
- [`grid_move_cells`](/en/tmux/3.2a/reference/c-function-grid_move_cells/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/grid.c#L716)
- [`grid_set_cell`](/en/tmux/3.2a/reference/c-function-grid_set_cell/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/grid.c#L548)
- [`grid_set_cells`](/en/tmux/3.2a/reference/c-function-grid_set_cells/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/grid.c#L581)

## Calls

- [`grid_clear_cell`](/en/tmux/3.2a/reference/c-function-grid-c-grid_clear_cell/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/grid.c#L471)
- [`xreallocarray`](/en/tmux/3.2a/reference/c-function-xreallocarray/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/grid.c#L469)

## Referenced declarations

- [`grid_line.celldata`](/en/tmux/3.2a/reference/c-struct-grid_line-celldata/) (attribute)
- [`grid_line.cellsize`](/en/tmux/3.2a/reference/c-struct-grid_line-cellsize/) (attribute)
- [`grid`](/en/tmux/3.2a/reference/c-struct-grid/) (struct)
- [`grid.linedata`](/en/tmux/3.2a/reference/c-struct-grid-linedata/) (attribute)
- [`grid.sx`](/en/tmux/3.2a/reference/c-struct-grid-sx/) (attribute)