8 struct country * country_get_by_id(int id);
9 int country_search_by_name(const char *name, int partial, int (*func)(struct country *cou, void *data), void *data);
10 int country_search_by_car(const char *name, int partial, int (*func)(struct country *cou, void *data), void *data);
11 int country_search_by_iso2(const char *name, int partial, int (*func)(struct country *cou, void *data), void *data);
12 int country_search_by_iso3(const char *name, int partial, int (*func)(struct country *cou, void *data), void *data);