K&R2, page 106 <strcmp>

I am suing the strcmp function from K&R2, page 106 which is used here: 

  http://clc-wiki.net/wiki/K%26R2_solutions:Chapter_5:Exercise_4


I only changed the name to avoid confusion with real strcmp. K&R2 says: 
it returns < 0, if s <t, 0 if s== t, > 0 if s > t.

but I have found, it returns < 0 if s > t and vice-versa.


int my_strcmp( char* s, char* t )
{
  for(; *s == *t; ++s, ++t )
    {
      printf("*s = %c\n", *s);
      printf("*t = %c\n", *t);

      if( *s == '\0' )
	{
	  return 0;
	}
    }

  return *s - *t;
}



int main(void)
{
  char s[] = "it is ok";
  char t[] = "nope";

  printf("comparing <%s> with <%s> = %d\n", s, t, my_strcmp( s, t ));

  return 0;

}

=========== OUTPUT ============
/home/arnuld/programs/C $ gcc -ansi -pedantic -Wall -Wextra 5-5.c 
/home/arnuld/programs/C $ ./a.out 
comparing <it is ok> with <nope> = -5
/home/arnuld/programs/C $ 


-- 
http://lispmachine.wordpress.com/

Please remove capital 'V's when you reply to me via e-mail.