# environ_RB_NFIND

- **Language:** C
- **Kind:** function
- **Source:** https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/environ.c#L34
- **Page:** https://libtmux.org/en/tmux/3.2a/reference/c-function-environ-c-environ_rb_nfind/

```c
static struct environ_entry * environ_RB_NFIND(struct environ *head, struct environ_entry *elm)
```

## Parameters

- `head` (`struct environ *`)
- `elm` (`struct environ_entry *`)

## Referenced declarations

- [`environ`](/en/tmux/3.2a/reference/c-struct-environ/) (struct)
- [`environ_entry`](/en/tmux/3.2a/reference/c-struct-environ_entry/) (struct)