* Randomly select a new game description.
*/
-static char *new_game_desc(game_params *params, random_state *rs,
+static char *new_game_desc(const game_params *params, random_state *rs,
char **aux, int interactive)
{
tree234 *possibilities, *barriertree;
return desc;
}
-static char *validate_desc(game_params *params, char *desc)
+static char *validate_desc(const game_params *params, char *desc)
{
int w = params->width, h = params->height;
int i;