# include <stdio.h>

int main ( )
{
  char s1[] = "Charles";
  char s2[] = "William";
  char s3[] = "Augustus";
  char *sp;

  printf ( "  S1 = \"%s\".\n", s1 );
  printf ( "  S2 = \"%s\".\n", s2 );
  printf ( "  S3 = \"%s\".\n", s3 );
//
//  Point to string 1.
//
  sp = s1;

  printf ( "\n" );
  printf ( "  Set \"sp = s1;\"\n" );
  printf ( "  SP = \"%s\".\n", sp );
//
//  Point to string 3.
//
  sp = s3;

  printf ( "\n" );
  printf ( "  Set \"sp = s3;\"\n" );
  printf ( "  SP = \"%s\".\n", sp );
//
//  Point to string 2 + 1.
//
  sp = s2 + 1;

  printf ( "\n" );
  printf ( "  Set \"sp = s2 + 1;\"\n" );
  printf ( "  SP = \"%s\".\n", sp );
//
//  A FOR loop on strings can use a pointer easily.
//
  printf ( "\n" );
  printf ( "  It's easy to use a FOR loop with a string pointer.\n" );
  printf ( "\n" );

  for ( sp = s1; *sp != '\0'; sp++ )
  {
    printf ( " String is \"%s\", current character is '%c'.\n", sp, *sp );
  }
  return 0;
}