[#CSubNet-2constructor-0f]
= xref:CSubNet.adoc[CSubNet]::CSubNet
:relfileprefix: ../
:mrdocs:

Construct a single‐host subnet.

== Synopsis

Declared in `<netaddress.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
explicit
CSubNet(xref:CNetAddr.adoc[CNetAddr] const& addr);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *addr* [in]
| The sole address to be contained in the subnet, can also be non‐IPv[46].
|===


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