Pointer Using Array in C Programming

#include<stdio.h>

#include<conio.h>

int array_sum(array,n)

int array[];

int n;

{

    int sum=0,*ptr;

    int *array_end=array+n;

    ptr=array;

    for(;ptr<array_end;++ptr)    //or for(ptr=array;ptr<array_end;++ptr)

    sum+=*ptr;

    return (sum);

}

main()

{

      static int values[10]={3, 7, -9, 3, 6, -1, 7, 9, 1, -5};

      printf("The sum is %d\n",array_sum(values,10));

      getch();

}