block scope same named variable

Posted 2021-05-25 wcl王成龙

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#include <stdio.h>

int main(void)

{

int n = 8;

printf("%d %p\\n", n, &n);

for (int n = 1; n < 3; n++) { printf("%d %p\\n", n, &n); }

printf("%d %p\\n", n, &n);

for (int n = 1; n < 3; n++)

{

printf("%d %p\\n", n, &n);

int n = 100;

printf("%d %p\\n", n, &n);

n++;

printf("%d %p\\n", n, &n);// n = 100 over , enter "for (int n = 1; n < 3; n++) " , n = 1 for this moment, after n++;

}

printf("%d %p\\n", n, &n);

return 0;

}

-------------------------------------------

8 0061ff1c
1 0061ff18
2 0061ff18
8 0061ff1c
1 0061ff14
100 0061ff10
101 0061ff10
2 0061ff14
100 0061ff10
101 0061ff10
8 0061ff1c

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