StepData : POINTER TO SFCStepType never null
SourceAddress POINTER TO IEC [...] , this can be NULL [...] DestinationAddress POINTER TO IEC
SourceAddress POINTER TO IEC [...] , this can be NULL [...] DestinationAddress POINTER TO IEC
SourceAddress POINTER TO IEC [...] , this can be NULL [...] DestinationAddress POINTER TO IEC
SourceAddress POINTER TO IEC [...] , this can be NULL [...] DestinationAddress POINTER TO IEC
SourceAddress POINTER TO IEC [...] , this can be NULL [...] DestinationAddress POINTER TO IEC
SourceAddress POINTER TO IEC [...] , this can be NULL [...] DestinationAddress POINTER TO IEC
SourceAddress POINTER TO IEC [...] , this can be NULL [...] DestinationAddress POINTER TO IEC
SourceAddress POINTER TO IEC [...] , this can be NULL [...] DestinationAddress POINTER TO IEC
Handle gc_pNULL PVOID 0 Invalid Pointer