/* External functions. */
/* General unformatting function with programmable input stream. */
-uword unformat (unformat_input_t * i, char *fmt, ...);
+uword unformat (unformat_input_t * i, const char *fmt, ...);
/* Call user defined parse function.
unformat_user (i, f, ...) is equivalent to unformat (i, "%U", f, ...) */
...);
/* Alternate version which allows for extensions. */
-uword va_unformat (unformat_input_t * i, char *fmt, va_list * args);
+uword va_unformat (unformat_input_t * i, const char *fmt, va_list * args);
/* Setup for unformat of Unix style command line. */
void unformat_init_command_line (unformat_input_t * input, char *argv[]);