Convert a string to ASCII in c ?

Convert a string to ASCII in c ?

#include <stdio.h>
#include<conio.h>
void main()
{
  char string[200];
    int n, c = 0;

   printf("Enter the no of characters present in an array \n ");

    scanf("%d", &n);

    printf(" Enter the string of %d characters \n" , n);

    scanf("%s", string);

    while (c < n)

    {

        printf(" %c = %d\n", string[count], string[c] );

        ++ c ;

    }

}