Keypressed routine

["Hermione Granger" <herm_oh_ninny at hotmail dot com>]

Dear gcc people,
    I'm trying to build a "keypressed routine" for linux. This is what I 
have so far.


#include <sys/ioctl.h>
#include <stdio.h>
#include <iostream.h>
#define fileno(p) ((p)->fd)

bool keypressed()
/* test whether a key if pressed */
{
    long l;
    int aaa;

    aaa = 1;

    if (ioctl(aaa, FIONREAD, &l) != -1)
         if (l > 0)
              return true;
    return false;
}

int main()
{
  while (!keypressed());
  {
  }
  return 0;
}

only problem is it only detects enters, nothing else and the stuff isn't 
picked up. The pick up problem isn't much of a problem though. Please tell 
me what I can do to make a keypressed routine.

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