how does to know "function" in a file *.dll for dllcall function?

[Helomotorola 0]

how does to know "function" in a file *.dll for dllcall function?

Thank much

[tAKTelapis 1]

Generally if the DLL is from Microsoft and is part of windows, its functions will be listed on the MSDN site.

Otherwise some googling should turn up some answers.