_OVERLAPPED

Metadatacopy
struct _OVERLAPPED {
    unsigned long Internal;/* 0x0  4 */
    unsigned long InternalHigh;/* 0x4  4 */
    unsigned long Offset;/* 0x8  4 */
    unsigned long OffsetHigh;/* 0xc  4 */
    void* hEvent;/* 0x10  4 */
};
/* source: NT 4.0 DDK (August 1996) PPC LIBCNTPR.LIB CodeView type records; _EPROCESS/_ETHREAD offsets match KDEXTPPC.DLL (NT 4.0 Server CD) */