reactos/lib/msvcrt/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                                 Boudewijn Dekker
   9  * UPDATE HISTORY:
  10  *              28/12/98: Created
  11  */
  12
  13 #include <msvcrt/conio.h>
  14 #include <msvcrt/internal/console.h>
  15
  16
  17 int getche(void)
  18 {
  19   if (char_avail)
  20     /*
  21      * We don't know, wether the ungot char was already echoed
  22      * we assume yes (for example in cscanf, probably the only
  23      * place where ungetch is ever called.
  24      * There is no way to check for this really, because
  25      * ungetch could have been called with a character that
  26      * hasn't been got by a conio function.
  27      * We don't echo again.
  28      */
  29     return(getch());
  30   return (_putch(getch()));
  31 }