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IN4ADDR_ISLOOPBACK function (mstcpip.h)

  • Article

Determines whether the address argument is an IPv4 loopback address.

Syntax

MSTCPIP_INLINE BOOLEAN IN4ADDR_ISLOOPBACK(
  const SOCKADDR_IN *a
);

Parameters

a

Type: _In_ CONST IN_ADDR *

Pointer to the address to test.

Return value

true if the address is an IPv4 loopback address; otherwise, false.

Requirements

Requirement Value
Header mstcpip.h