[#BloombergLP-bdlb-BitMaskUtil-zero]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::xref:BloombergLP/bdlb/BitMaskUtil.adoc[BitMaskUtil]::zero
:relfileprefix: ../../../
:mrdocs:

Return the unsigned integral value having the specified `numBits` starting at the specified `index` set to 0, and all other bits set to 1.

== Synopsis

Declared in `<bdlb_bitmaskutil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
uint32_t
zero(
    int index,
    int numBits);
----


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