[#BloombergLP-bdls-FilesystemUtil_CStringUtil-flatten-0cf]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdls.adoc[bdls]::xref:BloombergLP/bdls/FilesystemUtil_CStringUtil.adoc[FilesystemUtil_CStringUtil]::flatten
:relfileprefix: ../../../
:mrdocs:

Return the result of invoking `c_str()` on the specified `string`. Return a null‐terminated C string for the specified `string`.

== Synopsis

Declared in `<bdls_filesystemutil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
char const*
flatten(xref:bsl/string.adoc[bsl::string] const& string);
----


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