linuxÏÂcÓïÑÔÁ¬½ÓmysqlÊý¾Ý¿â
ÔÚFC8ÖÐĬÈϰ²×°µÄÓÐmysql£¬Ã»Óеϰ¿ÉÒԺܷ½±ãµÄ°²×°Ï¡£
ĬÈϵÄmysqlµÄincludeÎļþĿ¼ÔÚ/usr/include/mysql
ĬÈϵÄmysqlµÄlibÎļþ¼ÐÔÚ/usr/lib/mysql
ÕâÁ½¸öĿ¼ÔÚÎÒÃDZàÒëʱºòÐèÒªµ½¡£
ÎҵIJâÊÔÓõÄC´úÂëΪ£º
££include <stdio.h>
#include <stdlib.h>
#include <mysql.h>
#define CONN_HOST "localhost"
#define CONN_USER "root"
#define CONN_PASS "123"
#define CONN_DB "test"
int main()
{
MYSQL *conn;
char *server = CONN_HOST;
char *user = CONN_USER;
char *pass = CONN_PADD;
char *database = CONN_DB;
conn = mysql_init(NULL);
if(!mysql_real_connect(conn,server,user,pass,database,0,NULL,0))
{
fprintf(stderr,"%s\n",mysql_error(conn));
exit(1);
}
else
{
printf("ok!\n");
}
mysql_close(conn);
return 0;
}
±àÒëÃüÁîΪ£º
gcc -o connMysql connMysql.c -I /usr/include/mysql/ -L /usr/lib/mysql/ -lmysqlclient
Ïà¹ØÎĵµ£º
ÓÉÓÚǰ¶Îʱ¼äÒªÓÃpowerdesignerÉè¼ÆÊý¾Ý¿â£¬¿ÉÊý¾Ý¿âÉè¼ÆºÃºóºÃµ¼ÈëMysQLʱÐèÒªODBCÁ¬½Ó£¬¶øMysQL5.0ÒÔÉϵľùÒªÐÞ¸ÄÃÜÂ루ÎÒÔÚÍøÉϲé¹ý£©£¬°´ËûÃǵÄÒâ˼ÐÞ¸ÄÁËrootÃÜÂ룬½á¹ûÊÇÖ±½Ó½ø²»ÁËMysQLÁË£¬ÎÒÄǸöÓôÃÆ£¬ÔÚÍøÉϲéÕÒ×ÊÁÏ£¬Ò²°´ËûÃǵķ½·¨×öÁË£¬¿É»¹ÊDz»ÐУ¨±¾È˶Ôdos²»Ê죩¡£µ«×îÖÕ»¹ÊÇ¿ÉÒÔÁË£¬ÏÂÃæËµÏ¾ßÌå·½·¨
1¡¢w ......
<?php
class mysql {
/*+++++++++++++++Êý¾Ý¿â·ÃÎÊÀà++++++++++++++++++++++++++
+++++++++++++++++++++++++++++++++++++++++++++++++++++++
*/
//=================================================
//Á¬½ÓÊý¾Ý
private $Hos ......
ÎÊÌâÃèÊö£ºÐ´Ò»¸öº¯Êý£¬½ÓÊÜÒ»¸öÕûÊý£¨¼Ù¶¨ÓÃint±íʾ£©£¬Êä³ö¸ÃÕûÊýµÄ×Ö·û´®ÐÎʽ¡£²ÉÓÃÈçϺ¯ÊýÔÐÍ£º
void itoa ( int val, buf* );
ÕâÀï¼Ù¶¨buf×ã¹»´óÒÔÈÝÄÉÈκÎintÀàÐÍÊýÖµµÄ×Ö·û´®¡£
Õâ¸öÎÊÌ⣬³õ¿´ºÃÏñûÓÐʲôÄѶȡ£Èç¹ûÊÇ0£¬¾ÍÖ±½ÓÊä³ö'0'£»Èç¹ûÊÇÕýÊý£¬¾Íͨ¹ýȡģ(%)ºÍÇóÉÌ(/)ÔËËã¿ÉÒÔÖðλȡµÃ¸ÃÕûÊýµÄÊý×Ö£¬²¢° ......
1. cÓïÑÔÖеÄÕûÊýÀàÐÍÓÐchar, short, int, longµÈ¼¸ÖÖ, ÏÂÃæÊÇCÓïÑÔ¶ÔÿÖÖÊý¾ÝÀàÐͳ¤¶ÈµÄ¹æ¶¨:
(a). shortºÍlongÀàÐ͵ij¤¶È²»Ïàͬ
(b). intÀàÐÍͨ³£Í¬¾ßÌå»úÆ÷µÄÎïÀí×Ö³¤Ïàͬ
(c). shortͨ³£ÊÇ16bits, intͨ³£ÊÇ16bits or 32bitsÿÖÖ±àÒëÆ÷¿ÉÒÔ¸ù¾ÝÓ²¼þµÄ²»Í¬×ÔÓÉÈ·¶¨, µ«ÊÇshortºÍint±ØÐë×îÉÙÊÇ16bits, ¶ølongÀàÐͱØÐë× ......
ÍøÂçÉ豸½á¹¹Ì壺
struct sk_bufff{}
ËüµÄ¶¨ÒåÔÚlinux/skbuff.hÖÐ
sk_buff ÖÐÓÐÈý²¿·ÖÐÒéÍ··Ö±ðÃüÃûΪ¡°h,nh,mac¡±
h:Ϊ´«Êä²ãÐÒé(ICMP,IGMP)¡£
nh:ÎªÍøÂç²ãÐÒéÍ·¡£
mac:Á´Â·²ãÐÒéÍ·¡£ Èý¸öÐÒéÍ·ÊÇʹÓÃÁªºÏÌåµÄ£¬ÔÒòÊÇ£¬ÐÒé±¾ÉíÊÇ»¥³âµÄ¡£ ½á¹¹ÌåµÄ¶¨Òå¿ÉÒÔ¿´Í·Îļþ»òÊÇ¡¶ÄÚºË ......