* s1max and ptr are modified to contain the state
* null runtime constraint error or token is not found
*
- * @example
+ * Example:
* char *str2 = " ";
* char str1[100];
* uword len;
* EINVAL runtime constraint error
* ESRCH no match
*
- * @example
+ * Example:
* char *sub = 0;
* char *s1 = "success is not final, failure is not fatal.";
*