[#BloombergLP-bslma-BufferAllocator-AllocCallback]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslma.adoc[bslma]::xref:BloombergLP/bslma/BufferAllocator.adoc[BufferAllocator]::AllocCallback
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:mrdocs:

`AllocCallback` is an alias for (the address of) a function that takes an integer argument and returns `void *`.

== Synopsis

Declared in `<bslma_bufferallocator.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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typedef void*(* AllocCallback)(int);
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