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kbhit

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.

Note: 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

Copy Code

    #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++
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