Function l_concat

lua/ltypes.c:2294–2302

}

static int l_concat(Lua lua)
{
    char *s1 = strdup(luabb_tostring(lua, 1));
    char *s2 = strdup(luabb_tostring(lua, 2));
    lua_pushfstring(lua, "%s%s", s1, s2);
    free(s1);
    free(s2);
    return 1;
}

static int l_int_new(lua_State *lua)
{