37 lines
663 B
C
37 lines
663 B
C
/* $NetBSD: tvctrl.c,v 1.4 1999/01/13 10:23:40 itohy Exp $ */
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#include <sys/types.h>
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#include <sys/ioctl.h>
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#include <machine/iteioctl.h>
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#include <err.h>
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#include <stdio.h>
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#include <stdlib.h>
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int main __P((int, char *[]));
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int
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main(argc, argv)
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int argc;
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char *argv[];
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{
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unsigned long num;
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unsigned char ctl;
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char *ep;
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if (argc < 2) {
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fprintf(stderr, "usage: %s control_number [...]\n", argv[0]);
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return 1;
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}
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while (argv++, --argc != 0) {
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num = strtoul(argv[0], &ep, 10);
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if (num > 255 || *ep != '\0')
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errx(1, "illegal number -- %s", argv[0]);
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ctl = num;
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if (ioctl(0, ITETVCTRL, &ctl))
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err(1, "ioctl(ITETVCTRL)");
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}
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return 0;
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}
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