On 2012-07-31 10:27, Fjölnir Ásgeirsson wrote: > Well no. It pcalls, and catches the error. That can't possibly be as fast as > just calling dlsym straight. (which is how you check for symbols at runtime > => I'm not sure what the issue is) > Is dlsym not available on windows? It isn't, but you could easily write a wrapper around GetProcAddress() providing the functionality. Even the prototype of dlsym() and GetProcAddress() are virtually identical. http://linux.die.net/man/3/dlsym http://msdn.microsoft.com/en-us/library/windows/desktop/ms683212.aspx // Oliver