# PR_FreeLibraryName

Frees memory allocated by NSPR for library names and path names.

## Syntax

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

void PR_FreeLibraryName(char *mem);
```

### Parameters

The function has this parameter:

`mem`

: A reference to a character array that was previously allocated by the
  dynamic library runtime.

### Returns

Nothing.

## Description

This function deletes the storage allocated by the runtime in the
functions described previously. It is important to use this function to
rather than calling directly into `malloc` in order to isolate the
runtime's semantics regarding storage management.