taglinefilesource code
uh_cache_sport93net/ipv4/udp.cvolatile unsigned short  uh_cache_dport, uh_cache_sport;
uh_cache_sport104net/ipv4/udp.cuh_cache_sport=0;
uh_cache_sport595net/ipv4/udp.cif(saddr==uh_cache_saddr && daddr==uh_cache_daddr && uh->dest==uh_cache_dport && uh->source==uh_cache_sport)
uh_cache_sport603net/ipv4/udp.cuh_cache_sport=uh->source;