#ifndef _UAPI_ASM_GENERIC_TERMIOS_H
  #define _UAPI_ASM_GENERIC_TERMIOS_H
  /*
   * Most architectures have straight copies of the x86 code, with
   * varying levels of bug fixes on top. Usually it's a good idea
   * to use this generic version instead, but be careful to avoid
   * ABI changes.
   * New architectures should not provide their own version.
   */
  
  #include <asm/termbits.h>
  #include <asm/ioctls.h>
  
  struct winsize {
  	unsigned short ws_row;
  	unsigned short ws_col;
  	unsigned short ws_xpixel;
  	unsigned short ws_ypixel;
  };
  
  #define NCC 8
  struct termio {
  	unsigned short c_iflag;		/* input mode flags */
  	unsigned short c_oflag;		/* output mode flags */
  	unsigned short c_cflag;		/* control mode flags */
  	unsigned short c_lflag;		/* local mode flags */
  	unsigned char c_line;		/* line discipline */
  	unsigned char c_cc[NCC];	/* control characters */
  };
  
  /* modem lines */
  #define TIOCM_LE	0x001
  #define TIOCM_DTR	0x002
  #define TIOCM_RTS	0x004
  #define TIOCM_ST	0x008
  #define TIOCM_SR	0x010
  #define TIOCM_CTS	0x020
  #define TIOCM_CAR	0x040
  #define TIOCM_RNG	0x080
  #define TIOCM_DSR	0x100
  #define TIOCM_CD	TIOCM_CAR
  #define TIOCM_RI	TIOCM_RNG
  #define TIOCM_OUT1	0x2000
  #define TIOCM_OUT2	0x4000
  #define TIOCM_LOOP	0x8000
  
  /* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */
  
  
  #endif /* _UAPI_ASM_GENERIC_TERMIOS_H */