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const int a=0;
int *p=&a;
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int *p=£¨int *£©&a£»
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1)ÔÚgccÖУ¬±àÒëÖ´ÐÐÒÔÏ´úÂ룺
const int c=2;
int *p=&c;
*p=1;
printf("c is :%d\n",c);
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c is 1
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2.½ÓÏÂÀ´¿´ÏÂÃæÒ»¶Î´úÂ룺
#include <stdio.h>
#include <unistd.h>
int main(void)
{
const int c=2;
int a=0;
const int *p;
p=&a;
int *p2=&a;
p2[1]=-1;
printf("p2[1] is :%d\n",p2[1]);
printf("a is :%d\n",a);
printf("c is :%d\n",c);
printf("c address is:%d\n",&c);
printf("p2[1] address is:%d\n",p2+1);
printf("*(&c) is :%d\n",*(&c));
}
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p2[1] is :-1
a is :0
c is :-1
c address is:-1076230280
p2[1] address is:-1076230280
*(&c) is :-1
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[This was posted to comp.lang.c by its author, David Anderson, on 1994-05-06.]
The ``Clockwise/Spiral Rule''
By David Anderson
There is a technique known as the ``Clockwise/Spiral Rule'' which enables any C programmer to parse in their head any C declaration!
There are three simple steps to fo ......
JavaÖе÷ÓÃC/C++Éú³ÉµÄDLL
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¡¡¡¡1. ±à¼Main.java
¡¡public class Main
¡¡¡¡{
¡¡¡¡public native static int getStrNum(byte str[], int strLen);
¡¡¡¡}
¡¡¡¡2. Éú³ÉÍ·Îļþ
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