Created
October 30, 2014 14:10
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Modifying variables out of function scope via the stack
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| #include <stdio.h> | |
| int fun() { | |
| int a = 1; | |
| int *p = &a; | |
| while (*p != 10) {p++;} | |
| *p = 30; | |
| return 0; | |
| } | |
| int main() { | |
| int i = 10; | |
| fun(); | |
| printf("i = %d\n", i); | |
| } |
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The output of this program is:
i = 30