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

Moving the read position.

== Synopsis

Declared in `<bslstl_syncbuf.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
gbump(int __n);
----

== Description

This just advances the read position without returning any data.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *__n*
| The delta by which to move.
|===


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