_IO_COMPLETION_CONTEXT

Metadatacopy
struct _IO_COMPLETION_CONTEXT {
    void* Port;/* 0x0  4 */
    unsigned long Key;/* 0x4  4 */
};
/* source: NT 4.0 DDK (August 1996) MIPS LIBCNTPR.LIB CodeView type records; _EPROCESS/_ETHREAD offsets match KDEXTMIP.DLL (NT 4.0 Server CD) */