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>From lua-l@tecgraf.puc-rio.br Sat Jun  5 12:42:30 1999
>From: erik@hougaard.com

>What the correct way to find out the number of aruments a
>function retuns.
>
>This is in C and is when I'm doing a lua_callfunction from C and
>wants to pop the returned values of the stack but if i just call
>lua_pop and there is no more on the stack a error is generated.
>

Call lua_getresult until it returns LUA_NOBJECT.
--lhf