[#BloombergLP-bdlsb-FixedMemInStreamBuf-pubsetbuf-03]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlsb.adoc[bdlsb]::xref:BloombergLP/bdlsb/FixedMemInStreamBuf.adoc[FixedMemInStreamBuf]::pubsetbuf
:relfileprefix: ../../../
:mrdocs:

Reinitialize this stream buffer to use the specified character `buffer` having the specified `length`. Return the address of this modifiable stream buffer. The behavior is undefined unless `buffer != 0 && length > 0` or `length == 0`. Upon reinitialization for use of the new buffer, neither the content nor the next input position indicator is preserved. Note that `buffer` is held but not owned.

== Synopsis

Declared in `<bdlsb_fixedmeminstreambuf.h>`

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


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