#include <config.h>
+#include "item.h"
#include "misc.h"
-#include "sect.h"
#include "nat.h"
-#include "item.h"
-#include "xy.h"
#include "optlist.h"
-#include "common.h"
+#include "prototypes.h"
+#include "sect.h"
+#include "xy.h"
int
max_population(float research, int desig, int eff)