3.2版本怎么传指针???

v-2.x
void test( CCObject *p )
{
CCString *pStr = (CCString )p;
pStr->getString();
}
v-3.x
void test( Ref
p )
{
//这里怎么写???
}

void main()
{
2.x
CCString *pStr = CCString::create(“1”);
test( pStr );

3.x
这里要怎么写???

}