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1. ÔõÑù½¨Á¢ºÍÀí½â·Ç³£¸´ÔÓµÄÉùÃ÷£¿ÀýÈ綨ÒåÒ»¸ö°üº¬N ¸öÖ¸Ïò·µ»ØÖ¸Ïò×Ö·ûµÄÖ¸ÕëµÄº¯ÊýµÄÖ¸ÕëµÄÊý×飿
Õâ¸öÎÊÌâÖÁÉÙÓÐÒÔÏÂ3 ÖÖ´ð°¸:
1. char *(*(*a[N])())();
2. ÓÃtypedef Öð²½Íê³ÉÉùÃ÷:
typedef char *pc;  /* ×Ö·ûÖ¸Õë*/
typedef pc fpc(); /* ·µ»Ø×Ö·ûÖ¸ÕëµÄº¯Êý*/
typedef fpc *pfpc; /* ÉÏÃæº¯ÊýµÄÖ¸Õë*/
typedef pfpc fpfpc(); /* ·µ»Øº¯ÊýÖ¸ÕëµÄº¯Êý*/
typedef fpfpc *pfpfpc; /* ÉÏÃæº¯ÊýµÄÖ¸Õë*/
pfpfpc a[N]; /* ÉÏÃæÖ¸ÕëµÄÊý×é*/
2. *p++ ×ÔÔöp »¹ÊÇp ËùÖ¸ÏòµÄ±äÁ¿£¿
ºó׺++ ºÍ-- ²Ù×÷·û±¾ÖÊÉϱÈǰ׺һĿ²Ù×÷µÄÓÅÏȼ¶¸ß, Òò´Ë*p++ ºÍ*(p++) µÈ¼Û, Ëü×ÔÔöp ²¢·µ»Øp ×ÔÔö֮ǰËùÖ¸ÏòµÄÖµ¡£Òª×ÔÔöp Ö¸ÏòµÄÖµ, ʹÓÃ(*p)++, Èç¹û¸±×÷ÓõÄ˳ÐòÎ޹ؽôÒªÒ²¿ÉÒÔʹÓÃ++*p¡£
ÍØÕ¹£º
void func()
{
int i = 2;
int j = 5;
int *p = &i;
printf("result :%d\n",*(--p));
}
Êä³ö£º
result :5
Ô­Òò£ºÕ»ÊÇÏòµÍµØÖ·À©Õ¹µÄÊý¾Ý½á¹¹£¡
3.ÔõÑùÅжϻúÆ÷µÄ×Ö½Ú˳ÐòÊǸß×Ö½ÚÔÚǰ»¹ÊǵÍ×Ö½ÚÔÚǰ£¿
ÓиöʹÓÃÖ¸ÕëµÄ·½·¨£º
int x = 1;
if(*(char *)&x == 1)
printf("little-endian\n");
else
printf("big-endian\n");


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Ubuntu linuxϵͳϰ²×°C kermit´®¿Ú¹¤¾ß

½â¾ö²½Ö裺
gylu@dell-desktop:~$ sudo apt-get install ckermit
ÏÔʾ°²×°¹ý³Ì
gylu@dell-desktop:~$gedit ~/.kermrc
ÊäÈëÏÂÃæÄÚÈݺ󱣴æ.kermrcÍ˳ö:
   set line            /dev/ttyS0
    set speed    & ......

Beautify your c/c++ source code

http://uncrustify.sourceforge.net/
Ident code, aligning on parens, assignments, etc
Align on '=' and variable definitions
Align structure initializers
Align #define stuff
Align backslash-newline stuff
Reformat comments (a little bit)
Fix inter-character spacing
Add or remove parens on return ......

C/C++º¯Êý²ÎÊý,´«ÖµÓò´«Ö·µÄÇø±ð!!!

/*
* File: main.cpp
* Author: Vicky
*
* Created on 2010Äê5ÔÂ8ÈÕ, ÏÂÎç2:47
*/
#include <iostream>
using namespace std;
class A{
public:
A(){
cout << "Ö´Ðй¹Ô캯Êý´´½¨Ò»¸ö¶ÔÏó" << endl;
}
A(A&){
cout << "Ö´Ðп½±´º¯Êý¿½±´Ò»¸ö¶ ......

ÓÃcʵÏÖ±³°üÎÊÌ⣨̰ÐÄ£©

ºÃ¾ÃÒÔǰ×öµÄÒ»¸ö³ÌÐò£¬Ì°ÐIJßÂÔʵÏÖ±³°üÎÊÌ⣬cʵÏÖ¡£
×ܽáÔÚÕâÀÒÔ±¸ÒÔºóºÍ±ðÈ˲éÕÒ¡£
//±³°üÎÊÌâ
#include "stdio.h"
#define MAX 10
void main()
{
 int w[MAX]={0,10,130,15,60,25};      //´æ·ÅÖÊÁ¿
 int v[MAX]={0,30,5,10,20,25};   //´æ·Å¼ÛÖµ
 flo ......

strassen in c language.

#include<stdio.h>
#define N 8
void input(int n,int p[N][N])
{
 int i,j;
 for(i=0;i<n;i++)
 {
  printf("please input the %d line:\n",i+1);
  for(j=0;j<n;j++)
  {
  scanf("%d",&p[i][j]);
 }
}
 }
void output(int n,int p[N][N])
......
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