--- lbbs/src/netio.c	2005/03/20 17:37:14	1.4
+++ lbbs/src/netio.c	2005/03/22 08:59:32	1.5
@@ -86,3 +86,76 @@ s_send (int socket, const char *in_str)
 
   return ret;
 }
+
+// from Maple-hightman
+// added by flyriver, 2001.3.3
+int
+telnetopt (int fd, char *buf, int max)
+{
+  unsigned char c, d, e;
+  int pp = 0;
+  unsigned char tmp[30];
+
+  while (pp < max)
+    {
+      c = buf[pp++];
+      if (c == 255)
+	{
+	  d = buf[pp++];
+	  e = buf[pp++];
+	  iflush ();
+	  if ((d == 253) && (e == 3 || e == 24))
+	    {
+	      tmp[0] = 255;
+	      tmp[1] = 251;
+	      tmp[2] = e;
+	      write (fd, tmp, 3);
+	      continue;
+	    }
+	  if ((d == 251 || d == 252) && (e == 1 || e == 3 || e == 24))
+	    {
+	      tmp[0] = 255;
+	      tmp[1] = 253;
+	      tmp[2] = e;
+	      write (fd, tmp, 3);
+	      continue;
+	    }
+	  if (d == 251 || d == 252)
+	    {
+	      tmp[0] = 255;
+	      tmp[1] = 254;
+	      tmp[2] = e;
+	      write (fd, tmp, 3);
+	      continue;
+	    }
+	  if (d == 253 || d == 254)
+	    {
+	      tmp[0] = 255;
+	      tmp[1] = 252;
+	      tmp[2] = e;
+	      write (fd, tmp, 3);
+	      continue;
+	    }
+	  if (d == 250)
+	    {
+	      while (e != 240 && pp < max)
+		e = buf[pp++];
+	      tmp[0] = 255;
+	      tmp[1] = 250;
+	      tmp[2] = 24;
+	      tmp[3] = 0;
+	      tmp[4] = 65;
+	      tmp[5] = 78;
+	      tmp[6] = 83;
+	      tmp[7] = 73;
+	      tmp[8] = 255;
+	      tmp[9] = 240;
+	      write (fd, tmp, 10);
+	    }
+	}
+      else
+	outc (c);
+    }
+  iflush ();
+  return 0;
+}