[#AutoFile-write_buffer]
= xref:AutoFile.adoc[AutoFile]::write&lowbar;buffer
:relfileprefix: ../
:mrdocs:

Write a mutable buffer more efficiently than write(), obfuscating the buffer in&hyphen;place&period;

== Synopsis

Declared in `&lt;streams&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
write&lowbar;buffer(std::span&lt;std::byte&gt; src);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *src*
| Buffer to write&semi; its contents are obfuscated in place&period;
|===


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