2.9BSD/usr/include/vp.h

/* see vp(4) */
#include <sys/vcmd.h>

int	sppmode[]	= {0400, 0, 0};	/* enter spp */
int	pltmode[]	= {0200, 0, 0};	/* enter plot */
int	prtmode[]	= {0100, 0, 0};	/* enter print */
int	clrcom[]	= {0404, 0, 0};	/* remote clear, enter spp */
int	termcom[]	= {0240, 0, 0};	/* remote terminate, enter plot */
int	ffcom[]		= {0220, 0, 0};	/* plot mode form feed */