[#bsl-basic_stringbuf-uflow]
= xref:bsl.adoc[bsl]::xref:bsl/basic_stringbuf.adoc[basic&lowbar;stringbuf]::uflow
:relfileprefix: ../../
:mrdocs:

Return the character at the current get position and advance past it&period;

== Synopsis

Declared in `&lt;bslstl&lowbar;stringbuf&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
virtual
xref:bsl/basic_stringbuf/int_type.adoc[basic&lowbar;stringbuf&lt;CHAR&lowbar;TYPE, CHAR&lowbar;TRAITS, ALLOCATOR&gt;::int&lowbar;type]
uflow();
----

== Description

Return the character at the current input position and advance the input position by 1&period; If no character is available at the current input position, return `traits&lowbar;type&colon;&colon;eof()`&period; Update the end of the input area, `egptr`, if additional characters are available (as may occur if additional characters have been written to the string buffer)&period; Note that this operation is similar to `underflow`, but advances the current input position&period;

== Return Value

the current input character, or `traits&lowbar;type&colon;&colon;eof()`


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