# PLHashFunction

(plhashfunction-syntax)=

## Syntax

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

typedef PLHashNumber (PR_CALLBACK *PLHashFunction)(const void *key);
```

(plhashfunction-description)=

## Description

`PLHashNumber` is a function type that maps the key of a hash table
entry to a hash number.

(plhashfunction-see-also)=

## See Also

[PL_HashString](PL_HashString)