#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??2019-08-07?21:17??Chapter01\
?????文件?????????443??2009-10-21?16:08??Chapter01\fd_seri.c
?????文件????????1050??2009-10-27?16:15??Chapter01\hello_client.c
?????文件????????1127??2013-12-19?09:43??Chapter01\hello_client_win.c
?????文件????????1299??2009-10-28?08:47??Chapter01\hello_server.c
?????文件????????1339??2009-10-27?16:33??Chapter01\hello_server_win.c
?????文件?????????740??2009-07-28?06:00??Chapter01\low_open.c
?????文件?????????749??2009-08-26?18:35??Chapter01\low_read.c
?????目錄???????????0??2019-08-07?21:17??Chapter02\
?????文件????????1187??2013-12-19?10:48??Chapter02\tcp_client.c
?????文件????????1243??2013-12-19?11:00??Chapter02\tcp_client_win.c
?????文件????????1321??2009-10-27?16:34??Chapter02\tcp_server.c
?????文件????????1339??2009-10-27?16:35??Chapter02\tcp_server_win.c
?????目錄???????????0??2019-08-07?21:17??Chapter03\
?????文件?????????588??2009-08-10?15:57??Chapter03\conv_addr_win.c
?????文件?????????498??2013-12-19?11:06??Chapter03\endian_conv.c
?????文件?????????761??2009-08-10?05:20??Chapter03\endian_conv_win.c
?????文件?????????505??2009-08-07?18:13??Chapter03\inet_addr.c
?????文件?????????905??2009-08-10?05:46??Chapter03\inet_adrconv_win.c
?????文件?????????492??2009-08-10?05:24??Chapter03\inet_aton.c
?????文件?????????753??2009-08-08?07:11??Chapter03\inet_ntoa.c
?????目錄???????????0??2019-08-07?21:17??Chapter04\
?????文件????????1286??2009-08-26?18:37??Chapter04\echo_client.c
?????文件????????1391??2009-08-26?18:37??Chapter04\echo_client_win.c
?????文件????????1440??2009-08-26?18:37??Chapter04\echo_server.c
?????文件????????1502??2009-08-26?18:37??Chapter04\echo_server_win.c
?????目錄???????????0??2019-08-07?21:17??Chapter05\
?????文件????????1473??2009-08-26?18:38??Chapter05\echo_client2.c
?????文件????????1440??2009-08-26?18:38??Chapter05\echo_server.c
?????文件????????1400??2009-08-26?18:39??Chapter05\op_client.c
?????文件????????1503??2009-08-26?18:40??Chapter05\op_client_win.c
............此處省略118個文件信息