[#bsl-basic_stringbuf-xsgetn-01]
= xref:bsl.adoc[bsl]::xref:bsl/basic_stringbuf.adoc[basic_stringbuf]::xsgetn
:relfileprefix: ../../
:mrdocs:

Read up to the specified `numCharacters` from this `stringbuf` object and store them in the specified `result` array. Return the number of characters loaded into `result`. Note that if fewer than `numCharacters` characters are available in the buffer, all available characters are loaded into `result`. The behavior is undefined unless `result` refers to a contiguous sequence of at least `numCharacters` characters.

== Synopsis

Declared in `<bslstl_stringbuf.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
virtual
std::streamsize
xsgetn(
    xref:bsl/basic_stringbuf/char_type.adoc[char_type]* result,
    std::streamsize numCharacters);
----


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