和C语言中const常量对比: #include <stdio.h>intmain() {constinta =10;int*p = (int*) &a; printf("%d, %d\n",*p,a) ; printf("%x, %x\n",p,&p) ;*p =20;//a = 30;//常量是不能修改的,error: assignment of read-only variable 'a’printf("%d, %d\n",*p,a) ; printf("%x, ...
和C语言中const常量对比: #include <stdio.h> int main() { const int a = 10; int *p = (int *) &a; printf("%d, %d\n",*p,a) ; printf("%x, %x\n",p,&p) ; *p = 20; // a = 30; //常量是不能修改的,error: assignment of read-only variable 'a’ printf("%d, %d\n",*p...