[#subprocess-DEFAULT_BUF_CAP_BYTES]
= xref:subprocess.adoc[subprocess]::DEFAULT&lowbar;BUF&lowbar;CAP&lowbar;BYTES
:relfileprefix: ../
:mrdocs:

Default buffer capacity for OutBuffer and ErrBuffer, in bytes&period;

== Synopsis

Declared in `&lt;util&sol;subprocess&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
inline constexpr size&lowbar;t DEFAULT&lowbar;BUF&lowbar;CAP&lowbar;BYTES = 8192;
----

== Description

If the data exceeds this capacity, the buffer size is grown by 1&period;5 times its previous capacity&period;


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