#include <EPPC.h>

typedef struct HighLevelEventMsg { Size Offset Description

short HighLevelEventMsgHeaderLength; 2 0 Header size

short version; 2 2 Version #

long reserved1; 4 4 reserved

EventRecord theMsgEvent; 16 8 Event Record

long msgRefCon; 4 24 Event ID #

long; postingOptions; 4 28 Post Options

long msgLength; 4 32 Message length

typedef HighLevelEventMsg *HighLevelEventMsgPtr;

typedef HighLevelEventMsg **HighLevelEventMsgHdl;