numarg 49 lib/lua/lauxlib.h LUALIB_API int (luaL_argerror) (lua_State *L, int numarg, const char *extramsg); numarg 100 lib/lua/lauxlib.h #define luaL_argcheck(L, cond,numarg,extramsg) \ numarg 101 lib/lua/lauxlib.h ((void)((cond) || luaL_argerror(L, (numarg), (extramsg))))