/*

strlen takes in a pointer to a character (i.e. address of a string) and
returns the number of characters in the string (not counting the null
character)

*/

int strlen(const char * s)
{
   int i = 0;
   while (s[i] != '\0')
	i++;

   return i;
}



int strlen(const char * s)
{
   int i;
   for (i = 0; s[i]; i++)
	;

   return i;
}

int strlen(const char * s)
{
   int i = 0;
   while (*s++ != '\0')
	i++;

   return i;
}