C Program to insert an element in array

#include<stdio.h>

#include<conio.h>

int i,len,pos,num;

main()

{

int a[100];

void insert(int a[],int,int,int);

clrscr();

printf(" Enter the no. of array elements  to be read ");

scanf(" %d",&len);

printf("\n Enter integers ");

for(i=0;i<=len-1;i++)

{

scanf(" %d",&a[i]);

}

printf(" Enter integer to be inserted ");

scanf("%d",&pos);

--pos;

insert(a,len,pos,num);

}

void insert(int a[],int len,int pos,int num)

{

for(i=len;i>=pos;i--)

{

a[i+1]=a[i];

}

a[pos]=num;

if(pos>len)

{

printf(" Insertion Outside the Array ");

}

len++;

printf(" \n New Array");

for(i=0;i<len;i++)

{

printf(" %d\n",a[i]);

}

}