C program for use of arrays in functions

#include<stdio.h>
#include<conio.h>
int main()
{
int big(int a[],int);
int a[100];
int i,n, large,k;
printf("number of elements in the array=");
scanf("%d",&n);
printf("\nenter the elements=");
for(i=0;i<=n-1;i++)
{
scanf("%d",&a[i]);
}
printf("contents of array\n=");
for(i=0;i<=n-1;i++)
{
printf("%d",a[i]);
printf("\n");
}
big(a,n);
//printf("\nlargest element is");
getch();
}
int big(int x[],int p)
{
int i,large;
large=x[0];
for(i=0;i<=p-1;i++)
{
if(large<x[i])
large=x[i];
}
printf(" large=%d\n",large);
}