icap → comm Relation

File in squid/src/adaptation/icap	Includes file in squid/src/comm
ModXact.cc	Connection.h
ServiceRep.cc	Connection.h
Xaction.cc	Connection.h
Xaction.cc	ConnOpener.h
Xaction.cc	Read.h
Xaction.cc	Write.h
Xaction.h	ConnOpener.h