a few links:
https://msdn.microsoft.com/en-us/library/windows/desktop/ms682489(v=vs.85).aspx
http://stackoverflow.com/questions/4021307/enumprocesses-vs-createtoolhelp32snapshot
https://books.google.com/books?id=ifQPC86G66sC&pg=PA437&lpg=PA437&dq=CreateToolhelp32Snapshot()
https://msdn.microsoft.com/en-us/library/windows/desktop/ms682631(v=vs.85).aspx
A few other windows things:
https://msdn.microsoft.com/en-us/library/windows/desktop/ms724947(v=vs.85).aspx
https://msdn.microsoft.com/en-us/library/windows/desktop/ms646293(v=vs.85).aspx
