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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 |
Lines: | 66 |
Message-ID: | <37978194.17661031@news.cso.uiuc.edu> |
References: | <7n7s1h$ms6$1 AT autumn DOT news DOT rcn DOT net> |
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To: | djgpp AT delorie DOT com |
DJ-Gateway: | from newsgroup comp.os.msdos.djgpp |
Reply-To: | djgpp AT delorie DOT com |
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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