extern int strcmpic(const char *s1, const char *s2);
extern int strncmpic(const char *s1, const char *s2, size_t n);
extern jb_err string_append(char **target_string, const char *text_to_append);
extern jb_err string_join (char **target_string, char *text_to_append);
extern int strcmpic(const char *s1, const char *s2);
extern int strncmpic(const char *s1, const char *s2, size_t n);
extern jb_err string_append(char **target_string, const char *text_to_append);
extern jb_err string_join (char **target_string, char *text_to_append);