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### ip::address_v4

Implements IP version 4 style addresses.

    class address_v4

##### Types

Name | Description
--- | ---
bytes_type | The type used to represent an address as an array of bytes.

##### Member Functions

Name | Description
--- | ---
address_v4 | Default constructor. Construct an address from raw bytes. Construct an address from a unsigned long in host byte order. Copy constructor.
any | Obtain an address object that represents any address.
broadcast | Obtain an address object that represents the broadcast address. Obtain an address object that represents the broadcast address that corresponds to the specified address and netmask.
from_string | Create an address from an IP address string in dotted decimal form.
is_class_a | Determine whether the address is a class A address.
is_class_b | Determine whether the address is a class B address.
is_class_c | Determine whether the address is a class C address.
is_multicast | Determine whether the address is a multicast address.
loopback | Obtain an address object that represents the loopback address.
netmask | Obtain the netmask that corresponds to the address, based on its address class.
operator= | Assign from another address.
to_bytes | Get the address in bytes.
to_string | Get the address as a string in dotted decimal format.
to_ulong | Get the address as an unsigned long in host byte order.

##### Friends

Name | Description
--- | ---
operator!= | Compare two addresses for inequality.
operator< | Compare addresses for ordering.
operator<= | Compare addresses for ordering.
operator== | Compare two addresses for equality.
operator> | Compare addresses for ordering.
operator>= | Compare addresses for ordering.

##### Related Functions

Name | Description
--- | ---
operator<< | Output an address as a string.

The ip::address_v4 class provides the ability to use and manipulate IP version 4 addresses.

##### Thread Safety

Distinct objects: Safe.

Shared objects: Unsafe.