#include <stdio.h>
int main(){
int x = 30; // original x
printf("x in outer block: %d at %p/n", x, &x);
{
int x = 77; // new x, hides first x
printf("x in inner block: %d at %p/n", x, &x);
}
printf("x in outer block: %d at %p/n", x, &x);
while (x++ < 33) // original x
{
int x = 100; // new x, hides first x
x++;
printf("x in while loop: %d at %p/n", x, &x);
}
printf("x in outer block: %d at %p/n", x, &x);
return 0;
}
原创文章,作者:ItWorker,如若转载,请注明出处:https://blog.ytso.com/266434.html