8485 Remove set but unused variables in usr/src/cmd

@@ -1,6 +1,7 @@
 /*
+ * Copyright 2017 Gary Mills
  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
 /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */

@@ -10,12 +11,10 @@
  * Copyright (c) 1980 Regents of the University of California.
  * All rights reserved. The Berkeley software License Agreement
  * specifies the terms and conditions for redistribution.
  */
 
-#pragma ident   "%Z%%M% %I%     %E% SMI"
-
 #include <stdio.h>
 #include <locale.h>
 #include <assert.h>
 #define SAME 0
 #define FGCT 10

@@ -35,11 +34,11 @@
         static char name[100] = "";
         char *p, **ftp;
         extern long gdate();
         static FILE *fa = NULL;
         long lp, llen;
-        int len, k, nofil;
+        int k, nofil;
 
 #if D1
         fprintf(stderr, "findline: %s\n", in);
 #endif
         if (mindex(in, '!'))

@@ -114,11 +113,11 @@
                 fseek(fa, lp, 0);
                 *out = (char *)malloc(llen + 1);
                 if (*out == NULL) {
                         return (0);
                 }
-                len = fread(*out, 1, llen, fa);
+                (void) fread(*out, 1, llen, fa);
                 *(*out + llen) = 0;
 #ifdef D1
                 fprintf(stderr, "length as read is %d\n", len);
 #endif
         }