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You can call C directly from Lua too, with alien (http://alien.luaforge.net/ http://alien.luaforge.net/). Generating the bindings really isn't that hard, thoug

• nitrogen 16y ago
  Before I read up on how Alien works, I have to guess: it uses dlsym() (or the Windows equivalent) to find a function by name, and has a number of prototypical function pointer types which it uses to call the symbol returned by dlsym(), based on the number and types of parameters passed in Lua. When calling C++ it could even check the parameter types, provided they know how name mangling works for whatever platform the run on. Now to see how close I was...