void _stdcall StationsApplyBack(StationPar *St, void *AplPar)

Stpointer to StationPar structure
AplPar void pointer (it is defined as one of the parameters of the function StationsApply)

The function StationsApplyBack (_StationsApplyBack@8 in the Stdcall calling convention) is optional. It is a response to calling the call-back functions StationsApply. The function is called specially for all stations of the line defined in the parameter LnId of the function StationsApply.