ip_conntrack_event_cache_init(*pskb); 
static unsigned int ip_confirm(unsigned int hooknum,			       struct sk_buff **pskb,			       const struct net_device *in,			       const struct net_device *out,			       int (*okfn)(struct sk_buff *)){	/* We've seen it coming out the other side: confirm it */	return ip_conntrack_confirm(pskb);}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/ac3247baf8ecadf168642e3898b0212c29c79715/ip_conntrack_standalone.c/clean/net/ipv4/netfilter/ip_conntrack_standalone.c