#ifndef _LINUX_TTY_H #define _LINUX_TTY_H /* * 'tty.h' defines some structures used by tty_io.c and some defines. */ /* * These constants are also useful for user-level apps (e.g., VC * resizing). */ #define MIN_NR_CONSOLES 1 /* must be at least 1 */ #define MAX_NR_CONSOLES 63 /* serial lines start at 64 */ #define MAX_NR_USER_CONSOLES 63 /* must be root to allocate above this */ /* Note: the ioctl VT_GETSTATE does not work for consoles 16 and higher (since it returns a short) */ #endif