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Trailing-Edge - PDP-10 Archives - SRI_NIC_PERM_FS_1_19910112 - c/old/include/sys/vcmd.h
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#define	VPRINT		0100
#define	VPLOT		0200
#define	VPRINTPLOT	0400

#define	VGETSTATE	(('v'<<8)|0)
#define	VSETSTATE	(('v'<<8)|1)