2 commit
	new file:   buddy.c
	new file:   buddy.h
	modified:   chat.c
	modified:   csocket.c
	modified:   csocket.h
	new file:   interface.c
	new file:   interface.h
	new file:   queue.c
	new file:   queue.h
	modified:   util.c
	modified:   util.h
	modified:   Makefile