[#CNetAddr-HasCJDNSPrefix]
= xref:CNetAddr.adoc[CNetAddr]::HasCJDNSPrefix
:relfileprefix: ../
:mrdocs:

Whether the raw address begins with the CJDNS prefix byte&period;

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
&lsqb;&lsqb;nodiscard&rsqb;&rsqb;
bool
HasCJDNSPrefix() const;
----

== Return Value

True when the raw address begins with the CJDNS prefix byte&period;

[NOTE]
====
The return value https://en.cppreference.com/cpp/language/attributes/nodiscard[should not be discarded^].
====

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