Format of record5:
Offset	Size	Description	)
 00h	BYTE	operation??? (00h-07h)
 01h	BYTE	???
 02h	WORD	(ret) ???
 04h	DWORD	-> ???
 08h  4 BYTEs	???
 0Ch	DWORD	-> ??? or 0000h:0000h
 10h 16 BYTEs	???
 20h	DWORD	???
 24h  4 BYTEs	???