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Ò»¡¢ÀûÓÃiconvº¯Êý×å½øÐбàÂëת»»
iconvº¯Êý×åµÄÍ·ÎļþÊÇiconv.h,ʹÓÃǰÐè°üº¬Ö®¡£
#include <iconv.h>
iconvº¯Êý×åÓÐÈý¸öº¯Êý,Ô­ÐÍÈçÏÂ:
(1) iconv_t iconv_open(const char *tocode, const char *fromcode);
´Ëº¯Êý˵Ã÷½«Òª½øÐÐÄÄÁ½ÖÖ±àÂëµÄת»»,tocodeÊÇÄ¿±ê±àÂë,fromcodeÊÇÔ­±àÂë,¸Ãº¯Êý·µ»ØÒ»¸öת»»¾ä±ú,¹©ÒÔÏÂÁ½¸öº¯ÊýʹÓá£
(2) size_t iconv(iconv_t cd,char **inbuf,size_t *inbytesleft,char **outbuf,size_t *outbytesleft);
´Ëº¯Êý´ÓinbufÖжÁÈ¡×Ö·û,ת»»ºóÊä³öµ½outbufÖÐ,inbytesleftÓÃÒԼǼ»¹Î´×ª»»µÄ×Ö·ûÊý,outbytesleftÓÃÒԼǼÊä³ö»º³åµÄÊ£Óà¿Õ¼ä£¬cdÊÇiconv_open·µ»ØµÄ¾ä±ú¡£ (3) int iconv_close(iconv_t cd);
´Ëº¯ÊýÓÃÓڹرÕת»»¾ä±ú,ÊÍ·Å×ÊÔ´¡£
Àý×Ó1: ÓÃCÓïÑÔʵÏÖµÄת»»Ê¾Àý³ÌÐò
/* f.c : ´úÂëת»»Ê¾ÀýC³ÌÐò */
#include <iconv.h>
#define OUTLEN 255
main()
{
char *in_utf8 = "æ­£å?¨å??è£?";
char *in_gb2312 = "ÕýÔÚ°²×°";
char out[OUTLEN];
//unicodeÂëתΪgb2312Âë
rc = u2g(in_utf8,strlen(in_utf8),out,OUTLEN);
printf("unicode-->gb2312 out=%sn",out);
//gb2312ÂëתΪunicodeÂë
rc = g2u(in_gb2312,strlen(in_gb2312),out,OUTLEN);
printf("gb2312-->unicode out=%sn",out);
}
//´úÂëת»»:´ÓÒ»ÖÖ±àÂëתΪÁíÒ»ÖÖ±àÂë
int code_convert(char *from_charset,char *to_charset,char *inbuf,int inlen,char *outbuf,int outlen)
{
iconv_t cd;
int rc;
char **pin = &inbuf;
char **pout = &outbuf;
cd = iconv_open(to_charset,from_charset);
if (cd==0) return -1;
memset(outbuf,0,outlen);
if (iconv(cd,pin,&inlen,pout,&outlen)==-1) return -1;
iconv_close(cd);
return 0;
}
//UNICODEÂëתΪGB2312Âë
int u2g(char *inbuf,int inlen,char *outbuf,int outlen)
{
return code_convert("utf-8","gb2312",inbuf,inlen,outbuf,outlen);
}
//GB2312ÂëתΪUNICODEÂë
int g2u(char *inbuf,size_t inlen,char *outbuf,size_t outlen)
{
return code_convert("gb2312","utf-8",inbuf,inlen,outbuf,outlen);
}
Àý×Ó2: ÓÃC++ÓïÑÔʵÏÖµÄת»»Ê¾Àý³ÌÐò
/* f.cpp : ´úÂëת»»Ê¾ÀýC++³ÌÐò */
#include <iconv.h>
#include <iostream>
#define OUTLEN 255
using namespace std;
// ´úÂëת»»²Ù×÷Àà


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Linux iptableÎĵµ

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ÓÃiptables -ADC À´Ö¸¶¨Á´µÄ¹æ
Ôò
£¬-AÌí¼Ó -Dɾ³ý -C ÐÞ¸Ä
iptables - [RI] chain rule num rule-specification[option]
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iptables -D chain rule num[option]
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iptables -[LFZ] [chain][option]
ÓÃiptables -LFZ Á´Ãû [Ñ¡Ïî]
iptables -[NX] chain
ÓÃ -NX ......

Linux JDK and ANT install

Linux JDK and ANT install
linux JDKµÄ°²×°

°²×°JDK
´ÓsunÍøÕ¾ÉÏÖ±½ÓÏÂÔØJDK£ºhttp:
//java.sun.com/j2se/1.4.2
/download.htmlÌṩÁËÁ½¸öÏÂÔØ£º
1¡¢RPM in self-extracting file
(j2sdk-1_4_2_04-linux-i586.bin,
32.77 MB) Õâ¸öÊÇ×Ô½âѹµÄÎļþ£¬ÔÚlinuxÉϰ²×°ÈçÏ£º

chmod u+x
./j2sdk-1_4_2_04-l ......

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LinuxÌṩÁË´óÁ¿µÄÃüÁÀûÓÃËü¿ÉÒÔÓÐЧµØÍê³É´óÁ¿µÄ¹¤×÷£¬Èç´ÅÅ̲Ù×÷¡¢Îļþ´æÈ¡¡¢Ä¿Â¼²Ù×÷¡¢½ø³Ì¹ÜÀí¡¢ÎļþȨÏÞÉ趨µÈ¡£ËùÒÔ£¬ÔÚLinuxϵͳÉϹ¤×÷Àë²»¿ªÊ¹ÓÃϵͳÌṩµÄÃüÁî¡£ÒªÏëÕæÕýÀí½âLinuxϵͳ£¬¾Í±ØÐë´ÓLinuxÃüÁîѧÆð£¬Í¨¹ý»ù´¡µÄÃüÁîѧϰ¿ÉÒÔ½øÒ»²½Àí½âLinuxϵͳ¡£
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linuxÖÐfork£¨£©º¯ÊýÏê½â

 Ò»¡¢forkÈëÃÅ֪ʶ
     ÏÈ¿´Ò»¸öÀý×Ó£º
/*
* fork_test.c
* version 1
* Created on: 2010-5-29
* Author: wangth
*/
#include <unistd.h>;
#include <stdio.h>
int main ()
{
pid_t fpid; //fpid±íʾforkº¯Êý·µ»ØµÄÖµ
//´Ëʱ½öÓÐÒ»¸ö½ ......
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