# GRID_ATTR_ALL_UNDERSCORE

- **Language:** C
- **Kind:** constant
- **Source:** https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/tmux.h#L666
- **Page:** https://libtmux.org/en/tmux/3.2a/reference/c-define-tmux-h-grid_attr_all_underscore/

```c
#define GRID_ATTR_ALL_UNDERSCORE (GRID_ATTR_UNDERSCORE|   \
 GRID_ATTR_UNDERSCORE_2| \
 GRID_ATTR_UNDERSCORE_3| \
 GRID_ATTR_UNDERSCORE_4| \
 GRID_ATTR_UNDERSCORE_5)
```

## Referenced by

- [`input_csi_dispatch_sgr`](/en/tmux/3.2a/reference/c-function-input-c-input_csi_dispatch_sgr/) (function)
- [`input_csi_dispatch_sgr_colon`](/en/tmux/3.2a/reference/c-function-input-c-input_csi_dispatch_sgr_colon/) (function)
- [`tty_attributes`](/en/tmux/3.2a/reference/c-function-tty_attributes/) (function)

## Referenced declarations

- [`GRID_ATTR_UNDERSCORE`](/en/tmux/3.2a/reference/c-define-tmux-h-grid_attr_underscore/) (constant)
- [`GRID_ATTR_UNDERSCORE_2`](/en/tmux/3.2a/reference/c-define-tmux-h-grid_attr_underscore_2/) (constant)
- [`GRID_ATTR_UNDERSCORE_3`](/en/tmux/3.2a/reference/c-define-tmux-h-grid_attr_underscore_3/) (constant)
- [`GRID_ATTR_UNDERSCORE_4`](/en/tmux/3.2a/reference/c-define-tmux-h-grid_attr_underscore_4/) (constant)
- [`GRID_ATTR_UNDERSCORE_5`](/en/tmux/3.2a/reference/c-define-tmux-h-grid_attr_underscore_5/) (constant)