From:	locke AT mcs DOT net (Peter Johnson)
Newsgroups:	comp.os.msdos.djgpp,comp.os.msdos.programmer
Subject:	Re: Iteration vs. Recursion...
Date:	Thu, 22 Jul 1999 20:40:56 GMT
Organization:	BiLogic Productions
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Message-ID:	<37978194.17661031@news.cso.uiuc.edu>
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To:	djgpp AT delorie DOT com
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Do something like the following:

switch(getch()) {
case x:	run_program1();
	break;
case y:	run_program2();
	break;
...
}

Read up on switch statements in your favorite C reference book :).

Peter Johnson
locke AT mcs DOT net

On Thu, 22 Jul 1999 14:24:32 -0400, "Tom" <thomasbd AT erols DOT com> wrote:

>I have a keyboard input program that runs one thing if one key is entered
>and another if another key is entered.  There are about ten different
>options.  That means I have ten different if statements.  I am using
>recursion because after I get one input I do the program over again.
>
>The only problem with this program is that I have to hold down the key for
>about a second before anything is recognized.  Is there any way to speed
>this up?  Possibly by using iteration instead of recursion.  Here is the
>code.   Any suggestions are greatly appreciated.  I left out the program
>names and variables not needed.  I use getch to catch the keystrokes.  I
>tried using the bioskey but that didn't speed anything up.  I am using DJGPP
>to compile this:
>
>/*********start code********
>
>{
>if (getch() == x)
>{run_program();
>run_program();
>exit(0);}
>if (getch() == y)
>run_program();
>if (getch() == z)
>run_program();
>if (getch() == a)
>run_program();
>if (getch() == b)
>run_program();
>if (getch() == c)
>run_program();
>if (getch() == d)
>run_program();
>if (getch() == e)
>{run_program();
>if ((getch() == f || (getch() == g))
>run_program();
>if (getch() == h)
>run_program();
>if (getch() == i)
>run_program();
>}
>
>****end code**********/
>
>Thanks.
>
>Tom
>

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