# log_vwrite

- **Language:** C
- **Kind:** function
- **Source:** https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/log.c#L104
- **Page:** https://libtmux.org/en/tmux/3.2a/reference/c-function-log-c-log_vwrite/

```c
static void log_vwrite(const char *, va_list)
```

## Parameters

- `msg` (`const char *`)
- `ap` (`va_list`)

## Called by

- [`fatal`](/en/tmux/3.2a/reference/c-function-fatal/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/log.c#L152)
- [`fatalx`](/en/tmux/3.2a/reference/c-function-fatalx/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/log.c#L167)
- [`log_debug`](/en/tmux/3.2a/reference/c-function-log_debug/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/log.c#L138)

## Referenced declarations

- [`log_file`](/en/tmux/3.2a/reference/c-variable-log-c-log_file/) (attribute)