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

Entry point for xsgetn.

== Synopsis

Declared in `<bslstl_syncbuf.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
streamsize
sgetn(
    char_type* __s,
    streamsize __n);
----

== Description

Returns xsgetn(__s,__n). The effect is to fill ___s[0]_ through ___s[]_ with characters from the input sequence, if possible.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *__s*
| A buffer area.
| *__n*
| A count.
|===


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