# ptm_fd

- **Language:** C
- **Kind:** attribute
- **Source:** https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/tmux.c#L43
- **Page:** https://libtmux.org/en/tmux/3.7c/reference/c-variable-ptm_fd/

```c
int ptm_fd = -1;
```

## Referenced by

- [`client_main`](/en/tmux/3.7c/reference/c-function-client_main/) (function)
- [`job_run`](/en/tmux/3.7c/reference/c-function-job_run/) (function)
- [`main`](/en/tmux/3.7c/reference/c-function-main/) (function)
- [`spawn_pane`](/en/tmux/3.7c/reference/c-function-spawn_pane/) (function)