#include <stdio.h>
#include  <conio.h>
#include  <signal.h>
#include    <bios.h>
void handler(void);

void main ()

{
    int x;
    if (signal(SIGINT,SIG_IGN) == SIG_ERR)
        printf("Couldn't set signal()\n\n\n");
    while ((x=_bios_keybrd(_KEYBRD_READ)) != 255)
        {
        putchar(x);
        printf(" %d\n", (char) x);
        }
}

void handler()

{
printf("Ctrl-C Pressed!\n\n\n");
signal(SIGINT,handler);
}