Fakedos: A small program to fake a dos prompt (2003)

demos/fakedos.c

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+/* fakedos - Fake out that DOS prompt. Perfect for fooling your friends.
+Copyright (C) 2003 Shaun Marquardt
+ 
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+*/
+
+#include <stdio.h>
+// string.h for strcmp.. using it is actually smaller then what I had wrote.
+#include <string.h>
+
+void main()
+{
+ char input[20];
+ 
+/* One of the goals of this program is to have it as small as
+possible so it can be fit on a disk with others, and the nessasary
+other programs and configuration files which the A+ class break disk needs.
+A FOR loop does this nicely, although while looks better, it requres
+more setup, and space on the disk. */
+
+ for(;;) //loop forever
+ {
+  printf("C:\\>");      //fake out dos prompt
+  gets(input);          //get user input
+        if(!strcmp(input,"password")) //if input is the password, break
+        {
+                printf("Correct password. Returning to DOS.\n");
+                break;          //return to dos
+        }
+  printf("Bad command or file name\n"); //nope dont play that game
+ }
+}