:relfileprefix: ../../../
[#C88BB7482A3D39893C8A196AD90529979F6F5392]

= Function ipv4_address::is_loopback

pass:v,q[Return true if the address is a loopback address]


== Synopsis

Declared in header `</boost/url/ipv4_address.hpp#L226[boost/url/ipv4_address.hpp,window=blank_]>`

[source,cpp,subs="verbatim,macros,-callouts"]
----
bool
is_loopback() const noexcept;
----