Remove unused variables and such. No functional changes.

include/item.h

@@ -49,7 +49,6 @@ struct ichrstr {
 /* variables using this structure */
 
 extern struct ichrstr ichr[];
-extern int maxitem;
 
 /* procedures using/returning this struct */
 

include/sect.h

@@ -184,7 +184,7 @@ extern struct dchrstr bigcity_dchr;
 /* Sector flags */
 #define MOVE_IN_PROGRESS	bit(0)	/* move in progress */
 
-/* maximum amount of an item, must fit into sct_item[], sct_del[], sct_dist */
+/* maximum item amount, must fit into sct_item[], sct_del[], sct_dist[] */
 #define ITEM_MAX 9999
 /* maximum number of mines, must fit into struct sctstr member sct_mines */
 #define MINES_MAX 65535

src/lib/commands/cede.c

@@ -200,7 +200,6 @@ grab_sect(register struct sctstr *sp, natid to)
     struct plnstr *pp;
     struct lndstr *lp;
     struct nukstr *np;
-    int oldche;
     struct nstr_item ni;
     struct plnstr p;
     struct lndstr l;

src/lib/commands/spy.c

@@ -74,7 +74,6 @@ spy(void)
     int i;
     coord *table;		/* sectors already seen */
     int t_len = 0;
-    int vec[I_MAX + 1];
     int nrecon;
     int nunits;
     struct nstr_sect nstr;

src/lib/commands/work.c

@@ -125,7 +125,6 @@ work(void)
 static int
 buildeff(struct sctstr *sp, int work, double *money)
 {
-    int vec[I_MAX + 1];
     register int work_cost;
     int n, hcms, lcms;
     int effdone = 0;

src/lib/subs/supply.c

@@ -554,7 +554,7 @@ int
 use_supply(struct lndstr *lp)
 {
     struct lchrstr *lcp;
-    int vec[I_MAX + 1], shells_needed, shells, food, food_needed;
+    int shells_needed, shells, food, food_needed;
     int fuel_needed, fuel, petrol_needed, petrol;
 
     lcp = &lchr[(int)lp->lnd_type];