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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.