-extern int dyn_string_init PARAMS ((struct dyn_string *, int));
-extern dyn_string_t dyn_string_new PARAMS ((int));
-extern void dyn_string_delete PARAMS ((dyn_string_t));
-extern char *dyn_string_release PARAMS ((dyn_string_t));
-extern dyn_string_t dyn_string_resize PARAMS ((dyn_string_t, int));
-extern void dyn_string_clear PARAMS ((dyn_string_t));
-extern int dyn_string_copy PARAMS ((dyn_string_t, dyn_string_t));
-extern int dyn_string_copy_cstr PARAMS ((dyn_string_t, const char *));
-extern int dyn_string_prepend PARAMS ((dyn_string_t, dyn_string_t));
-extern int dyn_string_prepend_cstr PARAMS ((dyn_string_t, const char *));
-extern int dyn_string_insert PARAMS ((dyn_string_t, int,
- dyn_string_t));
-extern int dyn_string_insert_cstr PARAMS ((dyn_string_t, int,
- const char *));
-extern int dyn_string_insert_char PARAMS ((dyn_string_t, int, int));
-extern int dyn_string_append PARAMS ((dyn_string_t, dyn_string_t));
-extern int dyn_string_append_cstr PARAMS ((dyn_string_t, const char *));
-extern int dyn_string_append_char PARAMS ((dyn_string_t, int));
-extern int dyn_string_substring PARAMS ((dyn_string_t,
- dyn_string_t, int, int));
-extern int dyn_string_eq PARAMS ((dyn_string_t, dyn_string_t));