[#bsl-basic_syncbuf-overflow-05]
= xref:bsl.adoc[bsl]::xref:bsl/basic_syncbuf.adoc[basic_syncbuf]::overflow
:relfileprefix: ../../
:mrdocs:

`overflow` overloads

== Synopses

Declared in `<bslstl_syncbuf.h>`

Consumes data from the buffer; writes to the controlled sequence.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
virtual
int_type
xref:bsl/basic_syncbuf/overflow-08.adoc[overflow](int_type __c = traits_type::eof());
----

[.small]#xref:bsl/basic_syncbuf/overflow-08.adoc[_» more..._]#

Append the specified `character` to the internal buffer, or do nothing if `traits_type::eof()` is passed.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:bsl/basic_syncbuf/int_type.adoc[basic_syncbuf<CHAR, TRAITS, ALLOCATOR>::int_type]
xref:bsl/basic_syncbuf/overflow-09.adoc[overflow](xref:bsl/basic_syncbuf/int_type.adoc[int_type] character = traits_type::eof()) override;
----

[.small]#xref:bsl/basic_syncbuf/overflow-09.adoc[_» more..._]#

== Return Value

eof() to indicate failure, something else (usually ___c,_ or not_eof())

== Parameters

[cols="1,4"]
|===
| Name| Description
| *__c*
| An additional character to consume.
|===


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