InsertAtFirst

#include <stdio.h>
#include <stdlib.h>

int main()
{
    int n = 7;

    int *arr = (int*)calloc(n, sizeof(int));

    if(arr == NULL){
        exit(1);
    }

    for(int i = 0; i < n; i++){
        arr[i] = i + 1;
    }

    int arr2[n];
    for(int i = 0; i < n; i++){
        arr2[i] = arr[i];
    }

    for(int i = 0; i < n; i++){
        printf("The value is: %d\n", *(arr + i));
    }

    n++;

    printf("\n\n\n");

    arr = (int*)realloc(arr, n * sizeof(int));

    if(arr == NULL){
        exit(1);
    }

    for(int i = 0; i < n; i++){
        if(i == 0){
            arr[i] = 8;
            continue;
        }
        arr[i] = arr2[i - 1];
    }

    for(int i = 0; i < n; i++){
        printf("The value is: %d\n", *(arr + i));
    }

    free(arr);

    return 0;
}