Function lua_pushvalue

examples/ThirdPartyLibs/lua-5.2.3/src/lapi.c:241–247

}

LUA_API void lua_pushvalue(lua_State *L, int idx)
{
	lua_lock(L);
	setobj2s(L, L->top, index2addr(L, idx));
	api_incr_top(L);
	lua_unlock(L);
}

/*
** access functions (stack -> C)