+extern const char *basedir;
+extern void *zalloc(size_t size);
+extern void *zalloc_or_die(size_t size);
+extern char *strdup_or_die(const char *str);
+extern void *malloc_or_die(size_t buffer_size);
+
+#if defined(unix)
+extern void write_pid_file(const char *pid_file);
+#endif /* unix */
+
+extern unsigned int hash_string(const char* s);
+
+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 char *string_toupper(const char *string);
+extern char *string_tolower(const char *string);
+extern void string_move(char *dst, char *src);
+
+extern char *chomp(char *string);
+extern char *bindup(const char *string, size_t len);
+
+extern char *make_path(const char * dir, const char * file);