[#bsl-basic_istringstream-rdbuf]
= xref:bsl.adoc[bsl]::xref:bsl/basic_istringstream.adoc[basic_istringstream]::rdbuf
:relfileprefix: ../../
:mrdocs:

Return an address providing modifiable access to the `basic_stringbuf` object that is internally used by this string stream to buffer unformatted characters.

== Synopsis

Declared in `<bslstl_istringstream.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bsl/basic_istringstream.adoc[basic_istringstream<CHAR_TYPE, CHAR_TRAITS, ALLOCATOR>::StreamBufType]*
rdbuf() const;
----


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