diff -udr ../../gnuchess-4.0.pl79/src/dspcom.c ./src/dspcom.c
--- ../../gnuchess-4.0.pl79/src/dspcom.c	Mon Sep 28 08:41:19 1998
+++ ./src/dspcom.c	Thu Dec 10 23:40:57 1998
@@ -1099,14 +1099,14 @@
 #ifdef NONDSP
       s[0] = sx[0] = '\0';
       while (!sx[0])
-	(void) gets (sx);
+	(void) fgets (sx, 80, stdin); sx[79] = '\0';
 #else
       fflush (stdout);
 #ifdef MSDOS
       s[0] = '\0';
       eof = ( gets (sx) == NULL );
 #else
       eof = ( getstr (sx) == ERR );
 #endif
 #endif
       sscanf (sx, "%s", s);
diff -udr ../../gnuchess-4.0.pl79/src/gnuan.c ./src/gnuan.c
--- ../../gnuchess-4.0.pl79/src/gnuan.c	Mon Sep 28 08:41:21 1998
+++ ./src/gnuan.c	Thu Dec 10 23:39:26 1998
@@ -1348,12 +1348,12 @@
     fpout = stderr;
     fprintf (fpout, "Input the file with the algebraic moves of the game.\n");
     fflush (fpout);
-    gets (infilename);
+    fgets (infilename, 255, stdin); infilename[255] = '\0';
     fprintf (fpout, "\n");
     do
       {
 	  fprintf (fpout, "Input the search depth you want to use.  (1 to 29)(- for depth from file)\n");
-	  gets (inbuf);
+	  fgets (inbuf, 256, stdin); inbuf[255] = '\0';
 	  search_depth = atoi (inbuf);
 	  if (search_depth < 0)
 	    {
@@ -1369,7 +1369,7 @@
     do
       {
 	  fprintf (fpout, "Input the maximum number of minutes per move you want to use.\n");
-	  gets (inbuf);
+	  fgets (inbuf, 256, stdin); inbuf[255] = '\0';
 	  max_minutes = atoi (inbuf);
 	  if (max_minutes < 0)
 	    {
@@ -1379,7 +1379,7 @@
       }
     while ((max_minutes + max_seconds) < 1);
     fprintf (fpout, "Post the search results(y/n).\n");
-    gets (inbuf);
+    fgets (inbuf, 256, stdin); inbuf[255] = '\0';
     if (inbuf[0] == 'y')
 	flag.post = true;
     else
@@ -1559,7 +1559,8 @@
 	      while (true)
 		{
 		    printf (">");
-		    gets (GNUANinbuf1);
+		    fgets (GNUANinbuf1, 128, stdin);
+		    GNUANinbuf1[127] = '\0';
 		    p = GNUANinbuf1;
 		    q = GNUANinbuf;
 		    while (true)
@@ -1724,7 +1725,7 @@
     move_percent[black] = ((float) same_moves[black]) * 200 / (float) (GNUANmovecnt + (GNUANmovecnt % 2 ? 1 : 0));
     fprintf (fpout, "\n           White's percentage was %5.2f%%.     Black's percentage was %5.2f%%.\n", move_percent[white], move_percent[black]);
     time (&end_time);
-    elapsed_time = difftime(end_time - start_time);
+    elapsed_time = difftime(end_time, start_time);
     fprintf (fpout, "\n           Elapsed time was %ld seconds.\n", elapsed_time);
     fclose (fpin);
     fclose (fpout);
diff -udr ../../gnuchess-4.0.pl79/src/nondsp.c ./src/nondsp.c
--- ../../gnuchess-4.0.pl79/src/nondsp.c	Mon Sep 28 08:41:22 1998
+++ ./src/nondsp.c	Thu Dec 10 23:39:26 1998
@@ -264,10 +264,11 @@
 
   NewGame ();
 
-  gets (s);			/* skip "setup" command */
+  fgets (s, 80, stdin);			/* skip "setup" command */
+  s[79] = '\0';
   for (r = 7; r >= 0; r--)
     {
-      gets (s);
+      fgets (s, 80, stdin); s[79] = '\0';
       for (c = 0; c <= 7; c++)
 	{
 	  ch = s[c];
@@ -617,7 +618,7 @@
   if (!T[0])
     {
       printz (CP[61]);
-      gets (T);
+      fgets (T, 64, stdin); T[63] = '\0';
     }
   strcat (T, "XX");
   /* skip whitespace */
diff -udr ../../gnuchess-4.0.pl79/src/search.c ./src/search.c
--- ../../gnuchess-4.0.pl79/src/search.c	Mon Sep 28 08:41:23 1998
+++ ./src/search.c	Thu Dec 10 23:39:26 1998
@@ -174,7 +174,7 @@
       while (true)
 	{
 	  printf ("debug?");
-	  gets (b);
+	  fgets (b, 32, stdin); b[31] = '\0';
 	  if (b[0] == 'p')
 	    traceply = atoi (&b[1]);
 	  else if (b[0] == '\0')
diff -udr ../../gnuchess-4.0.pl79/src/uxdsp.c ./src/uxdsp.c
--- ../../gnuchess-4.0.pl79/src/uxdsp.c	Mon Sep 28 08:41:25 1998
+++ ./src/uxdsp.c	Thu Dec 10 23:41:35 1998
@@ -773,9 +773,9 @@
    refresh ();
 #ifdef MSDOS
    T[0] = '\0';
    gets (T);
 #else
    getstr (T);
 #endif
     }
   strcat (T, "XX");