# __weak

- **Language:** C
- **Kind:** constant
- **Source:** https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/compat.h#L77
- **Page:** https://libtmux.org/en/tmux/3.7c/reference/c-define-compat-h-__weak/

```c
#define __weak __attribute__ ((__weak__))
```

## Referenced declarations

- [`__attribute__`](/en/tmux/3.7c/reference/c-define-compat-h-__attribute__/) (constant)