musl/include/linux/vt.h

#ifndef _LINUX_VT_H
#define _LINUX_VT_H

#define VT_OPENQRY 0x5600

struct vt_mode {
	char mode;
	char waitv;
	short relsig;
	short acqsig;
	short frsig;
};
#define VT_GETMODE 0x5601
#define VT_SETMODE 0x5602
#define VT_AUTO 0x00
#define VT_PROCESS 0x01
#define VT_ACKACQ 0x02

struct vt_stat {
	unsigned short v_active;
	unsigned short v_signal;
	unsigned short v_state;
};
#define VT_GETSTATE 0x5603
#define VT_SENDSIG 0x5604

#define VT_RELDISP 0x5605

#define VT_ACTIVATE 0x5606
#define VT_WAITACTIVE 0x5607
#define VT_DISALLOCATE 0x5608

struct vt_sizes {
	unsigned short v_rows;
	unsigned short v_cols;
	unsigned short v_scrollsize;
};
#define VT_RESIZE 0x5609

struct vt_consize {
	unsigned short v_rows;
	unsigned short v_cols;
	unsigned short v_vlin;
	unsigned short v_clin;
	unsigned short v_vcol;
	unsigned short v_ccol;
};
#define VT_RESIZEX 0x560A
#define VT_LOCKSWITCH 0x560B
#define VT_UNLOCKSWITCH 0x560C

#endif