#include?
#include?
#include?
#include?

int?main（void）
{	
	int?fd1?fd2?fd3;
	fd1=socket（PF_INET?SOCK_STREAM?0）;
	fd2=open（“test.dat“?O_CREAT|O_WRONLY|O_TRUNC）;
	fd3=socket（PF_INET?SOCK_DGRAM?0）;
	
	printf（“file?descriptor?1:?%d\n“?fd1）;
	printf（“file?descriptor?2:?%d\n“?fd2）;
	printf（“file?descriptor?3:?%d\n“?fd3）;
	
	close（fd1）;
	close（fd2）;
	close（fd3）;
	return?0;
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2016-04-25?15:45??TCP?IP網絡編程（（韓）尹圣雨）\
?????文件???????10244??2016-05-03?11:16??TCP?IP網絡編程（（韓）尹圣雨）\.DS_Store
?????目錄???????????0??2016-05-03?11:16??TCP?IP網絡編程（（韓）尹圣雨）\Chapter1?source\
?????文件????????6148??2016-05-03?11:16??TCP?IP網絡編程（（韓）尹圣雨）\Chapter1?source\.DS_Store
?????文件?????????443??2009-10-21?16:08??TCP?IP網絡編程（（韓）尹圣雨）\Chapter1?source\fd_seri.c
?????文件????????1050??2009-10-27?16:15??TCP?IP網絡編程（（韓）尹圣雨）\Chapter1?source\hello_client.c
?????文件????????1127??2013-12-19?09:43??TCP?IP網絡編程（（韓）尹圣雨）\Chapter1?source\hello_client_win.c
?????文件????????1299??2009-10-28?08:47??TCP?IP網絡編程（（韓）尹圣雨）\Chapter1?source\hello_server.c
?????文件????????1339??2009-10-27?16:33??TCP?IP網絡編程（（韓）尹圣雨）\Chapter1?source\hello_server_win.c
?????文件?????????740??2009-07-28?06:00??TCP?IP網絡編程（（韓）尹圣雨）\Chapter1?source\low_open.c
?????文件?????????749??2009-08-26?18:35??TCP?IP網絡編程（（韓）尹圣雨）\Chapter1?source\low_read.c
?????目錄???????????0??2016-04-20?16:54??TCP?IP網絡編程（（韓）尹圣雨）\Chapter10?source\
?????文件????????1286??2009-09-01?09:32??TCP?IP網絡編程（（韓）尹圣雨）\Chapter10?source\echo_client.c
?????文件????????1453??2009-09-15?02:50??TCP?IP網絡編程（（韓）尹圣雨）\Chapter10?source\echo_mpclient.c
?????文件????????1858??2009-11-23?15:47??TCP?IP網絡編程（（韓）尹圣雨）\Chapter10?source\echo_mpserv.c
?????文件?????????402??2009-10-30?08:37??TCP?IP網絡編程（（韓）尹圣雨）\Chapter10?source\fork.c
?????文件????????1265??2009-09-15?02:17??TCP?IP網絡編程（（韓）尹圣雨）\Chapter10?source\remove_zombie.c
?????文件?????????416??2009-09-10?17:23??TCP?IP網絡編程（（韓）尹圣雨）\Chapter10?source\sigaction.c
?????文件?????????423??2009-09-10?15:02??TCP?IP網絡編程（（韓）尹圣雨）\Chapter10?source\signal.c
?????文件?????????616??2009-09-09?03:51??TCP?IP網絡編程（（韓）尹圣雨）\Chapter10?source\wait.c
?????文件?????????589??2009-09-09?20:25??TCP?IP網絡編程（（韓）尹圣雨）\Chapter10?source\waitpid.c
?????文件?????????375??2009-09-16?15:31??TCP?IP網絡編程（（韓）尹圣雨）\Chapter10?source\zombie.c
?????目錄???????????0??2016-04-20?16:54??TCP?IP網絡編程（（韓）尹圣雨）\Chapter11?source\
?????文件????????2132??2009-11-23?15:58??TCP?IP網絡編程（（韓）尹圣雨）\Chapter11?source\echo_storeserv.c
?????文件?????????340??2009-09-14?19:02??TCP?IP網絡編程（（韓）尹圣雨）\Chapter11?source\pipe1.c
?????文件?????????562??2009-09-14?19:59??TCP?IP網絡編程（（韓）尹圣雨）\Chapter11?source\pipe2.c
?????文件?????????576??2009-09-14?21:19??TCP?IP網絡編程（（韓）尹圣雨）\Chapter11?source\pipe3.c
?????目錄???????????0??2016-04-20?16:54??TCP?IP網絡編程（（韓）尹圣雨）\Chapter12?source\
?????文件????????1286??2009-08-26?18:37??TCP?IP網絡編程（（韓）尹圣雨）\Chapter12?source\echo_client.c
?????文件????????2030??2009-09-18?09:41??TCP?IP網絡編程（（韓）尹圣雨）\Chapter12?source\echo_selectserv.c
?????文件????????2099??2009-09-28?07:40??TCP?IP網絡編程（（韓）尹圣雨）\Chapter12?source\echo_selectserv_win.c
............此處省略122個文件信息