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ptr_to_ptr
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//gcc 5.4.0 #include <stdio.h> #define aaddress (*((int*)0x601038)) int a=20, **ptr_to_ptr, *ptr; int main(void) { ptr=&a; ptr_to_ptr=ptr; *ptr_to_ptr=50; printf("Value:%u, Address:%p\n",aaddress,&aaddress); ptr=&a; ptr_to_ptr=&ptr; **ptr_to_ptr=60; printf("Value:%u, Address:%p",aaddress,&aaddress); return 0; }
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Compilation time: 0.56 sec, absolute running time: 0.3 sec, cpu time: 0.12 sec, memory peak: 3 Mb, absolute service time: 0,88 sec
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Value:50, Address:0x601038 Value:60, Address:0x601038