some lint bits (trunk only)

src/dig.c

@@ -1817,7 +1817,7 @@ int x, y;
 void
 rot_organic(arg, timeout)
 anything *arg;
-long timeout;	/* unused */
+long timeout UNUSED;
 {
 	struct obj *obj = arg->a_obj;
 

src/dlb.c

@@ -263,10 +263,12 @@ lib_dlb_cleanup(VOID_ARGS)
 	close_library(&dlb_libs[i]);
 }
 
+/*ARGSUSED*/
 STATIC_OVL boolean
 lib_dlb_fopen(dp, name, mode)
     dlb *dp;
-    const char *name, *mode;
+    const char *name;
+    const char *mode UNUSED;
 {
     long start, size;
     library *lp;
@@ -278,14 +280,15 @@ lib_dlb_fopen(dp, name, mode)
 	dp->size = size;
 	dp->mark = 0;
 	return TRUE;
-	}
+    }
 
     return FALSE;	/* failed */
 }
 
+/*ARGUSED*/
 STATIC_OVL int
 lib_dlb_fclose(dp)
-    dlb *dp;
+    dlb *dp UNUSED;
 {
     /* nothing needs to be done */
     return 0;

src/pickup.c

@@ -366,10 +366,10 @@ struct obj *obj;
 }
 
 /* query_objlist callback: return TRUE */
-/*ARGSUSED*/
+/*ARGUSED*/
 boolean
 allow_all(obj)
-struct obj *obj;
+struct obj *obj UNUSED;
 {
     return TRUE;
 }

src/role.c

@@ -1,11 +1,9 @@
 /* NetHack 3.5	role.c	$Date$  $Revision$ */
-/*	SCCS Id: @(#)role.c	3.5	2006/05/24	*/
 /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985-1999. */
 /* NetHack may be freely redistributed.  See license for details. */
 
 #include "hack.h"
 
-
 /*** Table of all roles ***/
 /* According to AD&D, HD for some classes (ex. Wizard) should be smaller
  * (4-sided for wizards).  But this is not AD&D, and using the AD&D
@@ -901,7 +899,8 @@ int rolenum, gendnum, alignnum, pickhow;
 /* gender and alignment are not comparable (and also not constrainable) */
 boolean
 ok_gend(rolenum, racenum, gendnum, alignnum)
-int rolenum, racenum, gendnum, alignnum;
+int rolenum, racenum, gendnum;
+int alignnum UNUSED;
 {
     int i;
     short allow;
@@ -965,7 +964,9 @@ int rolenum, racenum, alignnum, pickhow;
 /* alignment and gender are not comparable (and also not constrainable) */
 boolean
 ok_align(rolenum, racenum, gendnum, alignnum)
-int rolenum, racenum, gendnum, alignnum;
+int rolenum, racenum;
+int gendnum UNUSED;
+int alignnum;
 {
     int i;
     short allow;

src/zap.c

@@ -3990,7 +3990,7 @@ long min_time;	/* <x,y>'s old melt timeout (deleted by time we get here) */
 void
 melt_ice_away(arg, timeout)
 anything *arg;
-long timeout;	/* unused */
+long timeout UNUSED;
 {
 	xchar x,y;
 	long where = arg->a_long;