# PR_CLIST_IS_EMPTY

Checks for an empty circular list.

## Syntax

```{code}
#include <prclist.h>

PRIntn PR_CLIST_IS_EMPTY (PRCList *listp);
```

### Parameter

`listp`

: A pointer to the linked list.

## Description

PR_CLIST_IS_EMPTY returns a non-zero value if the specified list is an
empty list, otherwise returns zero.