struct _unnamed_90// Size=0x8
{
    void  ( * UserApcRoutine)(void * ,struct _IO_STATUS_BLOCK * ,unsigned long );// Offset=0x0 Size=0x4
    void * IssuingProcess;// Offset=0x0 Size=0x4
    void * UserApcContext;// Offset=0x4 Size=0x4
};