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ptr_to_ptr
//gcc 5.4.0 #include <stdio.h> //#define aaddress (*((int*)0x601038)) int a=20, b=15, **ptr_to_ptr, *ptr; int main(void) { ptr=&b; b=45; printf("Value:%u, Address:%p\n",b,ptr); ptr=&b; ptr_to_ptr=ptr; *ptr_to_ptr=50; printf("Value:%u, Address:%p\n",*ptr_to_ptr,ptr_to_ptr); ptr=&b; ptr_to_ptr=&ptr; **ptr_to_ptr=60; printf("Value:%u, Address:%p",**ptr_to_ptr,*ptr_to_ptr); return 0; }
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