insert element in an array at specific position

1var colors=["red","blue"];
2var index=1;
3
4//insert "white" at index 1
5colors.splice(index, 0, "white");   //colors =  ["red", "white", "blue"]
6

1/*
2 * Program  : Inserting an element in the array
3 * Language : C
4 */
5
6#include<stdio.h>
7
8#define size 5
9
10int main()
11{
12    int arr[size] = {1, 20, 5, 78, 30};
13    int element, pos, i;
14
15    printf("Enter position and element\n");
16    scanf("%d%d",&pos,&element);
17
18    if(pos <= size && pos >= 0)
19    {
20        //shift all the elements from the last index to pos by 1 position to right
21        for(i = size; i > pos; i--)
22            arr[i] = arr[i-1];
23
24        //insert element at the given position
25        arr[pos] = element;
26
27        /*
28         * print the new array
29         * the new array size will be size+1(actual size+new element)
30         * so, use i <= size in for loop
31         */
32        for(i = 0; i <= size; i++)
33            printf("%d ", arr[i]);
34    }
35    else
36        printf("Invalid Position\n");
37
38    return 0;
39  }
40