Export (0) Print
Expand All
div
eof
Expand Minimize
20 out of 34 rated this helpful - Rate this topic

_getch, _getwch 

Gets a character from the console without echo.


int _getch( void );
wint_t _getwch( void );

Returns the character read. There is no error return.

The _getch and _getwch functions read a single character from the console without echoing the character. None of these functions can be used to read CTRL+C. When reading a function key or an arrow key, each function must be called twice; the first call returns 0 or 0xE0, and the second call returns the actual key code.

These functions lock the calling thread and are therefore thread-safe. For non-locking versions, see _getch_nolock, _getwch_nolock.

Generic-Text Routine Mappings
Tchar.h routine _UNICODE and _MBCS not defined _MBCS defined _UNICODE defined

_gettch

_getch

_getch

_getwch

Routine Required header Compatibility

_getch

<conio.h>

Windows 95, Windows 98, Windows 98 Second Edition, Windows Millennium Edition, Windows NT 4.0, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003

_getwch

<conio.h> or <wchar.h>

Windows 95, Windows 98, Windows 98 Second Edition, Windows Millennium Edition, Windows NT 4.0, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003

For more compatibility information, see Compatibility in the Introduction.

// crt_getch.c
// compile with: /c
// This program reads characters from
// the keyboard until it receives a 'Y' or 'y'.
 

#include <conio.h>
#include <ctype.h>

int main( void )
{
   int ch;

   _cputs( "Type 'Y' when finished typing keys: " );
   do
   {
      ch = _getch();
      ch = toupper( ch );
   } while( ch != 'Y' );

   _putch( ch );
   _putch( '\r' );    // Carriage return
   _putch( '\n' );    // Line feed  
}

Input

abcdey

Output

Type 'Y' when finished typing keys: Y

Not applicable. To call the standard C function, use PInvoke. For more information, see Platform Invoke Examples.

Did you find this helpful?
(1500 characters remaining)
Thank you for your feedback

Community Additions

ADD
Show:
© 2014 Microsoft. All rights reserved.