Just for the case somebody needs it also:
Assuming the file is in folder std/cod2.gsc
PHP Code:// cod4 interoperatiliby
// include if needed: #include std\cod2;
getcvar(name) { return getdvar(name); }
getcvarfloat(name) { return getdvarfloat(name); }
getcvarint(name) { return getdvarint(name); }
setcvar(name, value) { return setdvar(name, value); }
setclientcvar(name, value) { return self setclientdvar(name, value); }