[#BloombergLP-balst-Resolver_FileHelper-openMappedFile]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/balst.adoc[balst]::xref:BloombergLP/balst/Resolver_FileHelper.adoc[Resolver_FileHelper]::openMappedFile
:relfileprefix: ../../../
:mrdocs:

Open this object to access the memory referred to by the specified `mappedFile` as if it were a disk file. Return 0 on success and a non‐zero value otherwise.

== Synopsis

Declared in `<balst_resolver_filehelper.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
openMappedFile(xref:BloombergLP/balst/Resolver_FileHelper.adoc[CSpan] const& mappedFile);
----


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