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Linux ÏÂÃæÊ¹ÓÃRPCÐèҪʹÓõ½ÃüÁîrpcgen.
ÔÚLinuxÏ¿ª·¢RPC³ÌÐòÁ÷³ÌÈçÏ£º
1.дһ¸örpc³ÌÐò
    Èçtest.x
2.ʹÓÃrpcgenÉú³É±ØÐëµÄÎļþ£¬Í¨³£Êǿͻ§¶ËºÍ·þÎñÆ÷¶ËÒÔ¼°Í·Îļþ
    $rpcgen test.x
3.ʹÓÃrpcgenÉú³É·þÎñÆ÷¶ËºÍ¿Í»§¶ËµÄCÓïÑÔ´úÂë
    $rpcgen -Ss -o test_server.c test.x
    $rpcgen -Sc -o test_client.c test.x
4.Éú³ÉMakefile
    $rpcgen -Sm test.x>Makefile
5.±à¼­Ô´Îļþ£¬¼ÓÈëÄãÏëÒªµÄ·þÎñµÈ
6.±à¼­Makefile,ÕâºÜÖØÒª£¡
7.Ö´ÐвâÊÔ
ÎÊÌ⣺
1.·þÎñÆ÷ÎÞ·¨Æô¶¯£¬´íÎóÈçÏ£º
Cannot register service: RPC: Unable to receive; errno = Connection refused
unable to register (TESTPROG, VERSION, udp).
½â¾ö·½·¨£ºÏµÍ³Ã»Óа²×°portmap»òÕßûÓÐÆô¶¯portmap¶Ë¿ÚÓ³Éä¡£
$ls /etc/init.d/    
Èç¹ûûÓÐportmapÔò°²×°Ö®
    $sudo apt-get install portmap
Èç¹ûÓÐÁË£¬ÔòÆô¶¯
    $sudo /etc/init.d/portmap start
»¹¿ÉÒÔʹÓÃchkconfigÉèÖÃϵͳ¿ª»úÆô¶¯µÄ·þÎñÏÈ罫portmap¼ÓÈ뿪»úÆô¶¯£º
    $sudo chkconfig --level 2 -s portmap on
ÏÂÃæÊÇ¿ª·¢Ò»¸örpc³ÌÐòµÄ¾ßÌåÁ÷³Ì£¬Ïê¼û
http://zhoulifa.bokee.com/6128714.html
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1.MySQLÊý¾Ý¿â´íÎó
    1£©±¨¸æÁ¬½Ó²»ÉÏMySQL£¬´úÂëÈçÏÂ
if(mysql_real_connect(conn,"127.0.0.1","root","password",
    "database",0,NULL,0)){
    fprintf(stderr,"%s\n%s\n",mysql_error(conn),
        "Êý¾Ý¿âÁ¬½Óʧ°Ü");
    exit(1);
}
Ô­ÒòÈçÏ£ºÅжÏÓï¾ä´íÎó£¬Ó¦¸ÃΪif(mysql_real_connect(conn,...)==NULL){
    ...
}
2.¸üÐÂÊý¾Ýʧ°Ü
    char *sql="update test_table set balance=1000 where id=1000";
    result=mysql_query(conn,sql);
    if(result==NULL){
        .....
        /*´íÎó*/
    }
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