Remove some redundant parenthesis; no functional change.

src/lib/subs/attsub.c

@@ -2181,7 +2181,7 @@ take_casualty(int combat_mode, struct combat *off, struct emp_qelem *olist)
     }
 
     if (QEMPTY(olist))
-	return (CASUALTY_LUMP - to_take);
+	return CASUALTY_LUMP - to_take;
 
     /*
      *  Need to take some casualties from attacking units
@@ -2199,11 +2199,11 @@ take_casualty(int combat_mode, struct combat *off, struct emp_qelem *olist)
 	}
     }
     if (biggest == (struct emp_qelem *)0)
-	return (CASUALTY_LUMP - to_take);
+	return CASUALTY_LUMP - to_take;
 
     llp = (struct llist *)biggest;
     cas = lnd_take_casualty(combat_mode, llp, to_take);
-    return (CASUALTY_LUMP - (to_take - cas));
+    return CASUALTY_LUMP - (to_take - cas);
 }
 
 /* Send reacting defense units back to where they came from (at no mob cost) */
@@ -2594,16 +2594,14 @@ take_move_in_mob(int combat_mode, struct llist *llp, struct combat *off,
 	if (off->shp_mcp->m_flags & M_LAND) {
 	    if (llp->lcp->l_flags & L_MARINE)
 		llp->land.lnd_mobil -=
-		    ((float)etu_per_update * land_mob_scale * 0.5);
+		    (float)etu_per_update * land_mob_scale * 0.5;
 	    else
-		llp->land.lnd_mobil -= ((float)etu_per_update
-					* land_mob_scale);
+		llp->land.lnd_mobil -= (float)etu_per_update * land_mob_scale;
 	} else {
 	    if (llp->lcp->l_flags & L_MARINE)
 		llp->land.lnd_mobil = 0;
 	    else
-		llp->land.lnd_mobil = (((float)etu_per_update
-					* land_mob_scale) * (-1));
+		llp->land.lnd_mobil = -(float)etu_per_update * land_mob_scale;
 	}
 	break;
     case A_BOARD:

src/lib/subs/fortdef.c

@@ -141,7 +141,7 @@ sd(natid att, natid own, coord x, coord y, int noisy, int defending,
 	    }
 	}
     }
-    return (int)100 - (eff * 100);
+    return (int)100 - eff * 100;
 }
 
 int

src/lib/subs/landgun.c

@@ -79,7 +79,7 @@ roundrange(double r)
 
     f = r - ((int)r);
     if (chance(f))
-	return (((int)r) + 1);
+	return ((int)r) + 1;
     else
-	return ((int)r);
+	return (int)r;
 }

src/lib/subs/lndsub.c

@@ -130,7 +130,7 @@ defense_val(struct lndstr *lp)
     if (value < 1.0 && men > 0 && !(lcp->l_flags & L_SPY))
 	return 1;
 
-    return (int)(value);
+    return (int)value;
 }
 
 int
@@ -188,8 +188,6 @@ lnd_take_casualty(int combat_mode, struct llist *llp, int cas)
     s_char orig;
     int mob;
 
-
-
     taken = lnd_getmil(&(llp->land));
     /* Spies always die */
     if (llp->lcp->l_flags & L_SPY) {
@@ -274,7 +272,7 @@ lnd_take_casualty(int combat_mode, struct llist *llp, int cas)
 		orig = llp->land.lnd_mobil;
 		llp->land.lnd_mobil = (s_char)mob;
 		if (llp->land.lnd_mobil > orig)
-		    llp->land.lnd_mobil = (-127);
+		    llp->land.lnd_mobil = -127;
 		sprintf(buf, "retreats at %d%% efficiency to %s!",
 			llp->land.lnd_effic,
 			xyas(bx, by, llp->land.lnd_own));
@@ -346,9 +344,9 @@ int
 lnd_spyval(struct lndstr *lp)
 {
     if (lchr[(int)lp->lnd_type].l_flags & L_RECON)
-	return (lp->lnd_spy * (lp->lnd_effic / 100.0)) + 2;
+	return lp->lnd_spy * (lp->lnd_effic / 100.0) + 2;
     else
-	return (lp->lnd_spy * (lp->lnd_effic / 100.0));
+	return lp->lnd_spy * (lp->lnd_effic / 100.0);
 }
 
 int

src/lib/subs/mslsub.c

@@ -306,7 +306,7 @@ msl_intercept(coord x, coord y, natid bombown, int hardtarget,
     if (icount == 0) {
 	if (sect.sct_own != 0)
 	    mpr(sect.sct_own, "No %ss launched to intercept.\n", def_name);
-	return (destroyed);
+	return destroyed;
     }
 
     /* attempt to destroy incoming missile */
@@ -359,7 +359,7 @@ msl_intercept(coord x, coord y, natid bombown, int hardtarget,
 	free(qp);
     }
     if (destroyed)
-	return (destroyed);
+	return destroyed;
     if (icount) {
 	mpr(bombown, "%s made it through %s defenses!\n", att_name,
 	    def_name);
@@ -367,7 +367,7 @@ msl_intercept(coord x, coord y, natid bombown, int hardtarget,
 	    mpr(sect.sct_own, "%s made it through %s defenses!\n",
 		att_name, def_name);
     }
-    return (destroyed);
+    return destroyed;
 }
 
 /* Keep launching missiles on list until mindam damage has been done */

src/lib/subs/retreat.c

@@ -347,11 +347,11 @@ findcondition(s_char code)
     x = 0;
     while (conditions[x].code) {
 	if (conditions[x].code == code)
-	    return (x);
+	    return x;
 	x++;
     }
 
-    return (x);
+    return x;
 }
 
 int