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Yang Fan wrote:
Thanks for replying.
The function "main" gets an argument, so we should push something into the virtual stack after lua_getglobal.
Maybe somewhere else makes things incorrect.

Sorry. I missed that. Then your pcall is wrong.
if (lua_pcall(L, 0, 0, 0) != 0)

shouldn't be if (lua_pcall(L, 1, 0, 0) != 0)