root/sys/arch/x68k/usr.bin/tvctrl/tvctrl.c
/*      $NetBSD: tvctrl.c,v 1.8 2005/12/11 12:19:45 christos Exp $      */

#include <sys/cdefs.h>
__RCSID("$NetBSD: tvctrl.c,v 1.8 2005/12/11 12:19:45 christos Exp $");

#include <sys/types.h>
#include <sys/ioctl.h>
#include <machine/iteioctl.h>
#include <err.h>
#include <stdio.h>
#include <stdlib.h>

int main(int, char *[]);

int
main(int argc, char *argv[])
{
        unsigned long num;
        unsigned char ctl;
        char *ep;

        if (argc < 2) {
                fprintf(stderr, "usage: %s control_number [...]\n", argv[0]);
                return 1;
        }
        while (argv++, --argc != 0) {
                num = strtoul(argv[0], &ep, 10);
                if (num > 255 || *ep != '\0')
                        errx(1, "illegal number -- %s", argv[0]);

                ctl = num;
                if (ioctl(0, ITETVCTRL, &ctl))
                        err(1, "ioctl(ITETVCTRL)");
        }

        return 0;
}