[#BloombergLP-bdlb-String-strnlen]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::xref:BloombergLP/bdlb/String.adoc[String]::strnlen
:relfileprefix: ../../../
:mrdocs:

Return the minimum of the length of the specified `string` and the specified `maximumLength`&period; If `maximumLength` is 0, `string` may be null and 0 is returned&period; The behavior is undefined unless `0 &lt;&equals; maximumLength`&period;

== Synopsis

Declared in `&lt;bdlb&lowbar;string&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
int
strnlen(
    char const* string,
    int maximumLength);
----


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