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mblen
=====

Syntax
------

     #include <stdlib.h>
     
     int mblen(const char *s, size_t n);

Description
-----------

This function returns the number of characters of string S that make up
the next multibyte character.  No more than N characters are checked.

If S is `NULL', the internal shift state is reset.

Return Value
------------

The number of characters that comprise the next multibyte character.

Example
-------

     int n = mblen(string, INT_MAX);
     string += n;