1extern int high_water_alloc(void **buf, size_t *bufsize, size_t newsize); 2 3extern const char *quote(const char *str); 4extern char *unquote(char *str); 5 6extern int high_water_alloc(void **buf, size_t *bufsize, size_t newsize); 7 8extern const char *quote(const char *str); 9extern char *unquote(char *str); 10 11