#ifdef __cplusplus
extern "C"{
#endif 


#ifndef __IID_DEFINED__
#define __IID_DEFINED__

typedef struct _IID
{
    unsigned long x;
    unsigned short s1;
    unsigned short s2;
    unsigned char  c[8];
} IID;

#endif // __IID_DEFINED__

#ifndef CLSID_DEFINED
#define CLSID_DEFINED
typedef IID CLSID;
#endif // CLSID_DEFINED

const IID IID_IOPCServer = {0x39c13a4d,0x011e,0x11d0,{0x96,0x75,0x00,0x20,0xaf,0xd8,0xad,0xb3}};


const IID IID_IOPCServerPublicGroups = {0x39c13a4e,0x011e,0x11d0,{0x96,0x75,0x00,0x20,0xaf,0xd8,0xad,0xb3}};


const IID IID_IOPCBrowseServerAddressSpace = {0x39c13a4f,0x011e,0x11d0,{0x96,0x75,0x00,0x20,0xaf,0xd8,0xad,0xb3}};


const IID IID_IOPCGroupStateMgt = {0x39c13a50,0x011e,0x11d0,{0x96,0x75,0x00,0x20,0xaf,0xd8,0xad,0xb3}};


const IID IID_IOPCPublicGroupStateMgt = {0x39c13a51,0x011e,0x11d0,{0x96,0x75,0x00,0x20,0xaf,0xd8,0xad,0xb3}};


const IID IID_IOPCSyncIO = {0x39c13a52,0x011e,0x11d0,{0x96,0x75,0x00,0x20,0xaf,0xd8,0xad,0xb3}};


const IID IID_IOPCAsyncIO = {0x39c13a53,0x011e,0x11d0,{0x96,0x75,0x00,0x20,0xaf,0xd8,0xad,0xb3}};


const IID IID_IOPCItemMgt = {0x39c13a54,0x011e,0x11d0,{0x96,0x75,0x00,0x20,0xaf,0xd8,0xad,0xb3}};


const IID IID_IEnumOPCItemAttributes = {0x39c13a55,0x011e,0x11d0,{0x96,0x75,0x00,0x20,0xaf,0xd8,0xad,0xb3}};


const IID IID_IOPCDataCallback = {0x39c13a70,0x011e,0x11d0,{0x96,0x75,0x00,0x20,0xaf,0xd8,0xad,0xb3}};


const IID IID_IOPCAsyncIO2 = {0x39c13a71,0x011e,0x11d0,{0x96,0x75,0x00,0x20,0xaf,0xd8,0xad,0xb3}};


const IID IID_IOPCItemProperties = {0x39c13a72,0x011e,0x11d0,{0x96,0x75,0x00,0x20,0xaf,0xd8,0xad,0xb3}};

const IID IID_IOPCBrowse={0x39227004,0xa18f,0x4b57,{0x8b,0x0a,0x52,0x35,0x67,0x0f,0x44,0x68}};

const IID IID_IOPCItemIO={0x85c0b427,0x2893,0x4cbc,{0xbd,0x78,0xe5,0xfc,0x51,0x46,0xf0,0x8f}};

const IID LIBID_OPCDA = {0xB28EEDB2,0xAC6F,0x11d1,{0x84,0xD5,0x00,0x60,0x8C,0xB8,0xA7,0xE9}};


#ifdef __cplusplus
}
#endif