sudp
....\abc
....\abc~
....\about EXT struct~
....\client.c
....\filetest.c
....\filetest.c~
....\filetest.o
....\headfile.h
....\headfile.h~
....\multiprocess.c
....\select (复件).c
....\select.c
....\select.c~
....\select.o
....\server.c
....\tcpclient.c
....\tcpclient.c~
....\tcpclient.o
....\tcpserver.c
....\tcpserver.c~
....\tcpserver.o
....\testselect.c
....\udpclient.c
....\udpclient.c~
....\udpclient.o
....\udpclient1.c
....\udpserver
....\udpserver.c
....\udpserver.c~
....\udpserver.o
....\一个例子的代码