[#BloombergLP-bdlb-BitUtil-uint64_t]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::xref:BloombergLP/bdlb/BitUtil.adoc[BitUtil]::uint64_t
:relfileprefix: ../../../
:mrdocs:

Alias for `bsl::uint64_t` provided for older toolchains.

== Synopsis

Declared in `<bdlb_bitutil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
typedef uint64_t uint64_t;
----


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