:relfileprefix: ../../
[#083E0F4863A6DF28BAAC79A6212EB0109BA35CA6]

= Function operator<<

pass:v,q[Format the address to an output stream.]


== Synopsis

Declared in header `</boost/url/ipv4_address.hpp#L327[boost/url/ipv4_address.hpp,window=blank_]>`

[source,cpp,subs="verbatim,macros,-callouts"]
----
ostream&
operator<<(
    ostream& os,
    const xref:boost/urls/ipv4_address.adoc[ipv4_address]& addr);
----

== Description

pass:v,q[IPv4 addresses written to output streams] pass:v,q[are written in their dotted decimal format.]



== Return Value

* `` 


== Parameters

|===
| Name | Type 

| *os*
| ``

| *addr*
| ``

|===