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In this example, you will learn to access elements of an array using a pointer.

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To understand this example, you should have the knowledge of the following C programming topics:

• C for Loop
• C Arrays
• C Pointers
• Relationship Between Arrays and Pointers

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Access Array Elements Using Pointers

#include 
int main() {
    int data[5];

    printf("Enter elements: ");
    for (int i = 0; i < 5; ++i)
        scanf("%d", data + i);

    printf("You entered: \n");
    for (int i = 0; i < 5; ++i)
        printf("%d\n", *(data + i));
    return 0;
}

Output

Enter elements: 1
2
3
5
4
You entered: 
1
2
3
5
4

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In this program, the elements are stored in the integer array data[].

Then, the elements of the array are accessed using the pointer notation. By the way,

• data[0] is equivalent to *data and &data[0] is equivalent to data
• data[1] is equivalent to *(data + 1) and &data[1] is equivalent to data + 1
• data[2] is equivalent to *(data + 2) and &data[2] is equivalent to data + 1
• ...
• data[i] is equivalent to *(data + i) and &data[i] is equivalent to data + i

Visit this page to learn about the relationship between pointers and arrays.