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From: "Rafal 'Raf256' Maj" <admin AT raf256 DOT com>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: ANSI to read the keyboard before ENTER is pressed
Date: 29 Apr 2002 00:12:57 GMT
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PEDRO IZECKSOHN <izecksohn AT yahoo DOT com> wrote in 
news:20020428235953 DOT 73775 DOT qmail AT web11306 DOT mail DOT yahoo DOT com:

> 
>    Hello, Is in ANSI some C function to read the keyboard
> for some key pressed, (even the special keys), before the
> ENTER is pressed ?

normaly no, but ther is some way to change terminal behawiour... I didn't 
test it, but maybe it will work :

#include <stdio.h>
#include <termios.h>
#include <unistd.h>

int main ()
{
  struct termios przed, po;
  int c;
  tcgetattr (0, &przed); 
  po = przed;
  po.c_lflag &= ~(ICANON | ECHO); 
  tcsetattr (0,TCSANOW, &po);
  do {
    c = getchar();
    printf ("Key: %c\n", c);
  } while (c != 'q');
  tcsetattr (0, TCSANOW, &przed); 
  return 0;
}