kbhit

Remonter à Conio.h - Index

Header File

conio.h

Category

Console I/O Routines

Prototype

int kbhit(void);

Description

Checks for currently available keystrokes.

kbhit checks to see if a keystroke is currently available. Any available keystrokes can be retrieved with getch or getche.

Remarque :  Do not use this function in Win32 GUI applications.

Return Value

If a keystroke is available, kbhit returns a nonzero value. Otherwise, it returns 0.

Example

 #include <conio.h>
 int main(void)
 {
  cprintf("Press any key to continue:");
     while (!kbhit()) /* do nothing */ ;
     cprintf("\r\nA key was pressed...\r\n");
     return 0;
 }

Portability

POSIX	Win32	ANSI C	ANSI C++
	+