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¿âÍ·Îļþcorey.hpp:
#ifndef LIBRARY_H
#define LIBRARY_H
void add(int,int,int*);
#endif
¿âʵÏÖÎļþcorey.cpp
#include "corey.hpp"
void add(int a,int b,int *c){
int total=a+b;
*c=total;
}
Èë¿Úº¯Êýmain.cpp:
#include "corey.hpp"
#include <stdio.h>
#include <iostream>
using namespace std;
int main(int args,char *argc[]){
int a=1;
int b=2;
int *c;
add(a,b,c);
cout << "add result:";
cout << *c << endl << flush;
}
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1£©Éú³É¾²Ì¬¿â
g++ -c corey.cpp
ar -rc libcorey.a corey.o
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2£©±àÒëmain.o
gcc -I /home/corey/static -o main.o -c main.c
´Ëʱ-IÖ¸¶¨ÁËcorey.hppÎļþµÄĿ¼£¬Ä¬ÈÏ»áÈ¥/usr/includeºÍ±¾Ä¿Â¼ÖвéÕÒ£¬¿É½«Îļþ·ÅÖÃÔÚÕâÁ½¸öλÖã¬Ôò¿É²»±ÈÖ¸¶¨I¡£
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gcc -o main -L/home/corey/static main.o -lcorey   £¨coreyΪʡȥÁËlib,aµÄ¿âÃû£©
²¢ÇÒ²ÎÊý-l±ØÐëÔÚÊäÈëÎļþÖ®ºó¡£
ÎÒÃÇ¿ÉÒÔÑ¡Ôñ°Ñlibcorey.aÎļþ·ÅÖÃÔÚ/usr/libÎļþ¼ÐÖУ¬¿ÉÒÔʡȥָ¶¨-L²ÎÊý¡£
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g++ -fpic -shared -o libcorey.so corey.cpp
2£©±àÒëmain.o
gcc -I /home/corey/static -o main.o -c main.c
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./main: error while loading shared libraries: libcorey.so: cannot open shared object file: No such file or directory
5£©echo /home/corey/so >> /etc/ld.so.conf
6£©ldconfig
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iptables -D chain rule num[option]
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iptables -[NX] chain
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int socketpair(sa_family, socket_type, protocal,  int sz[2]);
sa_family: AF_LOCAL( ºÍ AF_UNIXÒ»Ñù) ±íʾ±¾µØµÄsocket Á¬½Ó
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# ifconfig eth0 192.168.0.20 netmask 255.255.255.0
Æô¶¯ÉúЧ:
ÐÞ¸Ä/etc/sysconfig/network-scripts/ifcfg-eth0
B¡¢ÐÞ¸Ädefault gateway
¼´Ê±ÉúЧ:
# route add default gw 192.168.0.254
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ÐÞ¸Ä/etc/sysconfig/network-scripts/ifcfg-eth0
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