[#BloombergLP-bdlsb-FixedMemInput-pubsetbuf]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlsb.adoc[bdlsb]::xref:BloombergLP/bdlsb/FixedMemInput.adoc[FixedMemInput]::pubsetbuf
:relfileprefix: ../../../
:mrdocs:

Reinitialize this stream buffer to use the specified character `buffer` having the specified `length`. Return a pointer providing modifiable access to this stream buffer. The behaviour is undefined unless `buffer != 0 && length > 0` or `length == 0`. Upon reinitialization for use of the new buffer, the position indicator is set to the beginning of the `buffer`. Note that `buffer` is held but not owned.

== Synopsis

Declared in `<bdlsb_fixedmeminput.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BloombergLP/bdlsb/FixedMemInput.adoc[FixedMemInput]*
pubsetbuf(
    char const* buffer,
    std::streamsize length);
----


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