[#BloombergLP-bsls-OutputRedirector-compare-0eb]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bsls.adoc[bsls]::xref:BloombergLP/bsls/OutputRedirector.adoc[OutputRedirector]::compare
:relfileprefix: ../../../
:mrdocs:

Compare the character buffer pointed to by the specified pointer `expected` with any output that has been loaded into the scratch buffer&period; The `expected` buffer is assumed to be a NTBS, and its length is taken to be the string length of the NTBS&period; Return 0 if the `expected` buffer has the same length and contents as the scratch buffer, and non&hyphen;zero otherwise&period; The behavior is undefined unless `enable` has previously been called successfully&period;

== Synopsis

Declared in `&lt;bsls&lowbar;outputredirector&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
compare(char const* expected) const;
----


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