/* Using the strncpy() function. */

#include <stdio.h>
#include <string.h>

char dest[] = "..........................";
char source[] = "abcdefghijklmnopqrstuvwxyz";

main()
{
     size_t n;

     while (1)
     {
         puts("Enter the number of characters to copy (1-26)");
         scanf("%d", &n);

         if (n > 0 && n < 27)
             break;
     }

     printf("\nBefore strncpy destination = %s", dest);

     strncpy(dest, source, n);

     printf("\nAfter strncpy destination = %s", dest);
     return(0);
}