# PL_HashString

A general-purpose hash function for character strings.

## Syntax

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

PLHashNumber PL_HashString(const void *key);
```

### Parameter

The function has the following parameter:

`key`

: A pointer to a character string.

### Returns

The hash number for the specified key.

## Description

{ref}`PL_HashString` can be used as the key hash function for a hash table
if the key is a character string.