# TTY_CTX_OVERLAY_SYNC

- **Language:** C
- **Kind:** constant
- **Source:** https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/tmux.h#L1750
- **Page:** https://libtmux.org/en/tmux/3.7c/reference/c-define-tmux-h-tty_ctx_overlay_sync/

```c
#define TTY_CTX_OVERLAY_SYNC 0x10
```

## Referenced by

- [`screen_write_fast_copy`](/en/tmux/3.7c/reference/c-function-screen_write_fast_copy/) (function)
- [`screen_write_initctx`](/en/tmux/3.7c/reference/c-function-screen-write-c-screen_write_initctx/) (function)
- [`tty_cmd_syncstart`](/en/tmux/3.7c/reference/c-function-tty_cmd_syncstart/) (function)