text: #ifndef WOOTHEE_CRAWLER_H
  #define WOOTHEE_CRAWLER_H
  
  #include "woothee.h"
  
  int woothee_crawler_challenge_google(const char *ua, woothee_t *result);
  int woothee_crawler_challenge_crawlers(const char *ua, woothee_t *result);
  int woothee_crawler_challenge_maybe_crawler(const char *ua, woothee_t *result);
  
  #endif
  