reactos/lib/crt/conio/getche.c

   1 /*
   2  * COPYRIGHT:   See COPYING in the top level directory
   3  *              Copyright (C) 1994 DJ Delorie, see COPYING.DJ for details
   4  * PROJECT:     ReactOS system libraries
   5  * FILE:        lib/msvcrt/conio/getche.c
   6  * PURPOSE:     Reads a character from stdin
   7  * PROGRAMER:   DJ Delorie
   8                                 Ariadne
   9  * UPDATE HISTORY:
  10  *              28/12/98: Created
  11  */
  12
  13 #include <precomp.h>
  14
  15 int _getche(void)
  16 {
  17   if (char_avail)
  18     /*
  19      * We don't know, wether the ungot char was already echoed
  20      * we assume yes (for example in cscanf, probably the only
  21      * place where ungetch is ever called.
  22      * There is no way to check for this really, because
  23      * ungetch could have been called with a character that
  24      * hasn't been got by a conio function.
  25      * We don't echo again.
  26      */
  27     return(_getch());
  28   return (_putch(_getch()));
  29 }