lib/msvcrt/conio/getch.c

   1 /*
   2  * COPYRIGHT:   See COPYING in the top level directory
   3  * PROJECT:     ReactOS system libraries
   4  * FILE:        lib/msvcrt/conio/getch.c
   5  * PURPOSE:     Writes a character to stdout
   6  * PROGRAMER:   Boudewijn Dekker
   7  * UPDATE HISTORY:
   8  *              28/12/98: Created
   9  */
  10 #include <windows.h>
  11 #include <msvcrt/conio.h>
  12 #include <msvcrt/stdio.h>
  13 #include <msvcrt/io.h>
  14 #include <msvcrt/internal/console.h>
  15
  16
  17 int _getch(void)
  18 {
  19     DWORD  NumberOfCharsRead = 0;
  20     char c;
  21     if (char_avail) {
  22         c = ungot_char;
  23         char_avail = 0;
  24     } else {
  25         ReadConsoleA(_get_osfhandle(stdin->_file),
  26                              &c,
  27                              1,
  28                              &NumberOfCharsRead,
  29                              NULL);
  30     }
  31     if (c == 10)
  32         c = 13;
  33     putchar(c);
  34     return c;
  35 }
  36
  37 #if 0
  38 int _getche(void)
  39 {
  40     int c;
  41
  42     c = _getch();
  43     _putch(c);
  44
  45     return c;
  46 }
  47 #endif