selection sorting and searching

#include <stdio.h>

void main()
{
   int arr[20],  c, d, position, swap;

   printf("Enter 20 integers\n");

   for ( c = 0 ; c < 20 ; c++ )
      scanf("%d", &arr[c]);

   for ( c = 0 ; c < 20; c++ )
   {
      position = c;

      for ( d = c + 1 ; d < 20 ; d++ )
      {
         if ( arr[position] > arr[d] )
            position = d;
      }
         swap = arr[c];
         arr[c] = arr[position];
         arr[position] = swap;

   }



    printf("Sorted list in ascending order:\n");

   for ( c = 0 ; c < 20 ; c++ )
      printf("%d\n", arr[c]);

   getch();
}