server\Makefile ......\mysocket.c ......\README ......\server.c.bak ......\des.c ......\des.h ......\mysocket.h ......\server ......\server.c ......\tags server client\Makefile ......\tcp_connect.h ......\client.c ......\mysocket.h ......\a ......\mysocket.c ......\des.c ......\des.h ......\client ......\mysocket.c.bak client