interface.h

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#pragma once

#define IFENT_SOFTWARE_LOOPBACK 24 /* This is an SNMP constant from rfc1213 */

NTSTATUS GetInterfaceIPv4Address( PIP_INTERFACE Interface,
                  ULONG Type,
                  PULONG Address );
UINT CountInterfaces(VOID);
UINT CountInterfaceAddresses( PIP_INTERFACE Interface );
NTSTATUS GetInterfaceSpeed( PIP_INTERFACE Interface, PUINT Speed );
NTSTATUS GetInterfaceName( PIP_INTERFACE Interface, PCHAR NameBuffer,
               UINT NameMaxLen );
VOID GetInterfaceConnectionStatus( PIP_INTERFACE Interface, PULONG OperStatus );
PIP_INTERFACE FindOnLinkInterface(PIP_ADDRESS Address);
PIP_INTERFACE GetDefaultInterface(VOID);