Lint part 1, unused variables, routines, and return codes.

src/decl.c

@@ -20,7 +20,9 @@ char *catmore = 0;		/* default pager */
 NEARDATA int bases[MAXOCLASSES] = DUMMY;
 
 NEARDATA int multi = 0;
+#if 0
 NEARDATA int warnlevel = 0;		/* used by movemon and dochugw */
+#endif
 NEARDATA int nroom = 0;
 NEARDATA int nsubroom = 0;
 NEARDATA int occtime = 0;