Writes a character to the console.
int _putch( int c );
| Routine | Required Header | Compatibility |
| _putch | <conio.h> | Win 95, Win NT |
For additional compatibility information, see Compatibility in the Introduction.
Libraries
| LIBC.LIB | Single thread static library, retail version |
| LIBCMT.LIB | Multithread static library, retail version |
| MSVCRT.LIB | Import library for MSVCRT.DLL, retail version |
Return Value
The function returns c if successful, and EOF if not.
Parameter
c
Character to be output
Remarks
The _putch function writes the character c directly (without buffering) to the console.
Example
/* GETCH.C: This program reads characters from
* the keyboard until it receives a 'Y' or 'y'.
*/
#include <conio.h>
#include <ctype.h>
void 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 */
}
Output
Type 'Y' when finished typing keys: Y