1 .\" Copyright 2003 walter harms (walter.harms@informatik.uni-oldenburg.de)
2 .\" Distributed under GPL
3 .\" Modified 2003-04-04 Walter Harms
4 .\" <walter.harms@informatik.uni-oldenburg.de>
6 .\" Slightly polished, aeb, 2003-04-06
8 .\" Japanese Version Copyright (c) 2004 Yuichi SATO
9 .\" all rights reserved.
10 .\" Translated Thu Sep 2 07:40:48 JST 2004
11 .\" by Yuichi SATO <ysato444@yahoo.co.jp>
13 .TH RTIME 3 2010-02-25 "GNU" "Linux Programmer's Manual"
15 rtime \- ¥ê¥â¡¼¥È¥Þ¥·¥ó¤«¤é»þ¹ï¤ò¼èÆÀ¤¹¤ë
18 .B "#include <rpc/des_crypt.h>"
20 .BI "int rtime(struct sockaddr_in *" addrp ", struct rpc_timeval *" timep ,
21 .BI " struct rpc_timeval *" timeout );
24 ¤³¤Î´Ø¿ô¤Ï RFC\ 868 ¤Ëµ½Ò¤µ¤ì¤Æ¤¤¤ë¥¿¥¤¥à¥µ¡¼¥Ð¥×¥í¥È¥³¥ë¤ò»ÈÍѤ·¡¢
25 ¥ê¥â¡¼¥È¥Þ¥·¥ó¤«¤é»þ¹ï¤ò¼èÆÀ¤¹¤ë¡£
27 ¥¿¥¤¥à¥µ¡¼¥Ð¥×¥í¥È¥³¥ë¤Ï 00:00:00 UTC, 1 Jan 1900 ¤«¤éÉÿô¤òÄ󶡤¹¤ë¤Î¤Ç¡¢
28 ¤³¤Î´Ø¿ô¤ÏŬÀÚ¤ÊÄê¿ôÃͤò°ú¤¯¤³¤È¤Ë¤è¤ê¡¢
29 Ä󶡤µ¤ì¤¿Ãͤò Unix ¤Ë¤ª¤±¤ë»þ¹ïµª¸µ (1970-01-01 00:00:00 +0000 (UTC))
33 ¤¬ NULL ¤Ç¤Ê¤¤¾ì¹ç¡¢udp/time ¥½¥±¥Ã¥È (¥Ý¡¼¥È 37) ¤¬»ÈÍѤµ¤ì¤ë¡£
34 ¤½¤ì°Ê³°¤Î¾ì¹ç¡¢tcp/time ¥½¥±¥Ã¥È (¥Ý¡¼¥È 37) ¤¬»ÈÍѤµ¤ì¤ë¡£
36 À®¸ù¤·¤¿¾ì¹ç¤Ï¡¢0 ¤¬ÊÖ¤µ¤ì¤Æ¡¢ÆÀ¤é¤ì¤¿ 32 ¥Ó¥Ã¥È¤Î»þ¹ïÃͤÏ
39 ¥¨¥é¡¼¤Î¾ì¹ç¤Ï¡¢\-1 ¤¬ÊÖ¤µ¤ì¤Æ¡¢
43 ÆâÉô¤Ç»ÈÍѤ·¤Æ¤¤¤ë´Ø¿ô
49 ¤ÎÁ´¤Æ¤Î¥¨¥é¡¼¤¬µ¯¤³¤ë²ÄǽÀ¤¬¤¢¤ë¡£
50 ¹¹¤Ë¼¡¤Î¥¨¥é¡¼¤¬µ¯¤³¤ë²ÄǽÀ¤¬¤¢¤ë:
53 ÊÖ¤µ¤ì¤¿¥Ð¥¤¥È¿ô¤¬ 4 ¥Ð¥¤¥È¤Ç¤Ê¤¤¡£
56 timeout ¤ÇÄêµÁ¤µ¤ì¤¿ÂÔ¤Á»þ´Ö¤Î´ü¸Â¤¬Àڤ줿¡£
58 IPv4 ¤Î¤ß¤¬¥µ¥Ý¡¼¥È¤µ¤ì¤Æ¤¤¤ë¡£
61 ¤Î¥Ð¡¼¥¸¥ç¥ó¤Ë¤è¤Ã¤Æ¤Ï TCP ¤·¤«¥µ¥Ý¡¼¥È¤·¤Æ¤¤¤Ê¤¤¤â¤Î¤â¤¢¤ë¡£
63 ¤ò 1 ¤ËÀßÄꤷ¤Æ¡¢Îã¤Ë¤¢¤ë¥×¥í¥°¥é¥à¤ò»î¤¹¤³¤È¡£
67 int rtime(struct sockaddr_in *, struct timeval *, struct timeval *);
77 ¤Ï¡¢64 ¥Ó¥Ã¥È¥Þ¥·¥ó¤ÇÀµ³Î¤ËÆ°ºî¤·¤Ê¤¤¡£
79 ¤³¤ÎÎã¤Ç¤Ï¥Ý¡¼¥È 37 ¤¬¥¢¥Ã¥×¤µ¤ì¤Æ¥ª¡¼¥×¥ó¤µ¤ì¤Æ¤¤¤ëɬÍפ¬¤¢¤ë¡£
81 ¤Î time ¥¨¥ó¥È¥ê¤¬¥³¥á¥ó¥È¥¢¥¦¥È¤µ¤ì¤Æ¤¤¤Ê¤¤¤³¤È¤ò³Îǧ¤·¤Æ¤Û¤·¤¤¡£
83 ¤³¤Î¥×¥í¥°¥é¥à¤Ï "linux" ¤È¤¤¤¦¥³¥ó¥Ô¥å¡¼¥¿¤ËÀܳ¤¹¤ë¡£
84 "localhost" ¤ò»È¤Ã¤¿¾ì¹ç¤ÏÆ°ºî¤·¤Ê¤¤¡£
85 ·ë²Ì¤Ï¥³¥ó¥Ô¥å¡¼¥¿ "linux" ¤Î¥í¡¼¥«¥ë»þ¹ï¤Ç¤¢¤ë¡£
93 #include <rpc/auth_des.h>
97 char *servername = "linux";
102 struct sockaddr_in name;
103 struct rpc_timeval time1 = {0,0};
104 struct rpc_timeval timeout = {1,0};
105 struct hostent *hent;
108 memset((char *) &name, 0, sizeof(name));
110 hent = gethostbyname(servername);
111 memcpy((char *) &name.sin_addr, hent\->h_addr, hent\->h_length);
113 ret = rtime(&name, &time1, use_tcp ? NULL : &timeout);
115 perror("rtime error");
117 printf("%s\\n", ctime((time_t *) &time1.tv_sec));