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Mail Archives: djgpp/1999/07/30/15:38:46

From: Jon DeMarks <whatfor AT mindspring DOT com>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Terminal Programming
Date: Sat, 24 Jul 1999 11:28:31 -0400
Organization: Tachyeon Systems
Lines: 28
Message-ID: <3799DB9E.385E4ECD@mindspring.com>
References: <3798FE1B DOT AE7EEEC AT mindspring DOT com> <7nbre4$am$1 AT news DOT luth DOT se>
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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


Martin Str|mberg wrote:

> Jon DeMarks (whatfor AT mindspring DOT com) wrote:
> : I am trying to write a terminal that will get a command typed by the
> : user and execute a function corresponding to it.  Any suggestions?  The
> : following code snippet is stand-alone and can be compiled.
> : #include <stdio.h>
> : void _freedbgkern() { char buf[128];
> :      printf("\nFreedows Terminal v.1.0a  By Jon DeMarks\n\n");
> :      for(;;) { fflush(stdin); scanf("%s", buf);
>                  ^^^^^^^^^^^^^
> :      if(buf=="sd") { sd(); }
> :      else { printf("Invaild command %s, come again?\n", buf); } } }
>
> fflush(stdin) results in undefined behaviour. Don't do that.
>
> (Another minor observation is that it compilable, but not linkable
> (and thus not runable) (sd() undefined).)
>
> Kokkonen, Symphony No. 4,
>
>                                                         MartinS

  you have to rename the fuction to main() to compile.  and the
fflush(stdin); doesn't make a differance.

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