[#subprocess-output]
= xref:subprocess.adoc[subprocess]::output
:relfileprefix: ../
:mrdocs:

Option to specify the output channel for the child process&period; It can be&colon; 1&period; An already open file descriptor&period; 2&period; A file name&period; 3&period; IOTYPE&period; Usually a PIPE&period;

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
struct output;
----

== Description

Eg&colon; output&lcub;PIPE&rcub; OR output&lcub;&quot;output&period;txt&quot;&rcub;

== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:subprocess/output/2constructor-06.adoc[`output`]         [.small]#[constructor]#
| Constructors
|===


== Data Members

[cols="1,4"]
|===
| Name| Description
| xref:subprocess/output/rd_ch_.adoc[`rd&lowbar;ch&lowbar;`] 
| Read end of the channel, or &hyphen;1 if unused&period;
| xref:subprocess/output/wr_ch_.adoc[`wr&lowbar;ch&lowbar;`] 
| Write end of the channel, or &hyphen;1 if unused&period;
|===



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