Access the Out-of-Bounds Array Elements - C Pointer

C examples for Pointer:Array Pointer

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Description

Access the Out-of-Bounds Array Elements

Demo Code

#include <stdio.h>

int main()//from  w w  w.  j  av a 2s. co  m
{
     int num[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11};
     int *ipt1, *ipt2;
    
     ipt1 = &num[5];
     ipt2 = &num[6];
    
     printf("Current value of *ipt1: %d\n", *ipt1);
     printf("Current value of *ipt2: %d\n", *ipt2);
    
     ipt1 = ipt1 - 2;
     ipt2 = ipt2 + 3;
    
     printf("Now current value of *ipt1: %d\n", *ipt1);
     printf("Now current value of *ipt2: %d\n", *ipt2);
    
     ipt1 = ipt1 - 15;
     ipt2 = ipt2 + 22;
    
     printf("Now current value of *ipt1: %d\n", *ipt1);
     printf("Now current value of *ipt2: %d\n", *ipt2);
    
     return(0);
}

Result


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