text: #ifndef _FS_TERMIOS_H
  #define _FS_TERMIOS_H
  
  #include <core/system.h>
  
  typedef unsigned char cc_t;
  typedef unsigned int  speed_t;
  typedef unsigned int  tcflag_t;
  
  #define NCCS 32
  
  /**
   * \ingroup vfs
   * \brief terminal I/O structure
   */
  struct termios {
      tcflag_t c_iflag;
      tcflag_t c_oflag;
      tcflag_t c_cflag;
      tcflag_t c_lflag;
      cc_t c_line;
      cc_t c_cc[NCCS];
      speed_t __c_ispeed;
      speed_t __c_ospeed;
  };
  
  #define VINTR       0
  #define VQUIT       1
  #define VERASE      2
  #define VKILL       3
  #define VEOF        4
  #define VTIME       5
  #define VMIN        6
  #define VSWTC       7
  #define VSTART      8
  #define VSTOP       9
  #define VSUSP       10
  #define VEOL        11
  #define VREPRINT    12
  #define VDISCARD    13
  #define VWERASE     14
  #define VLNEXT      15
  #define VEOL2       16
  
  #define IGNBRK      0000001
  #define BRKINT      0000002
  #define IGNPAR      0000004
  #define PARMRK      0000010
  #define INPCK       0000020
  #define ISTRIP      0000040
  #define INLCR       0000100
  #define IGNCR       0000200
  #define ICRNL       0000400
  #define IUCLC       0001000
  #define IXON        0002000
  #define IXANY       0004000
  #define IXOFF       0010000
  #define IMAXBEL     0020000
  #define IUTF8       0040000
  
  #define OPOST       0000001
  #define OLCUC       0000002
  #define ONLCR       0000004
  #define OCRNL       0000010
  #define ONOCR       0000020
  #define ONLRET      0000040
  #define OFILL       0000100
  #define OFDEL       0000200
  #define NLDLY       0000400
  #define NL0         0000000
  #define NL1         0000400
  #define CRDLY       0003000
  #define CR0         0000000
  #define CR1         0001000
  #define CR2         0002000
  #define CR3         0003000
  #define TABDLY      0014000
  #define TAB0        0000000
  #define TAB1        0004000
  #define TAB2        0010000
  #define TAB3        0014000
  #define BSDLY       0020000
  #define BS0         0000000
  #define BS1         0020000
  #define FFDLY       0100000
  #define FF0         0000000
  #define FF1         0100000
  
  #define VTDLY       0040000
  #define VT0         0000000
  #define VT1         0040000
  
  #define B0          0000000
  #define B50         0000001
  #define B75         0000002
  #define B110        0000003
  #define B134        0000004
  #define B150        0000005
  #define B200        0000006
  #define B300        0000007
  #define B600        0000010
  #define B1200       0000011
  #define B1800       0000012
  #define B2400       0000013
  #define B4800       0000014
  #define B9600       0000015
  #define B19200      0000016
  #define B38400      0000017
  
  #define B57600      0010001
  #define B115200     0010002
  #define B230400     0010003
  #define B460800     0010004
  #define B500000     0010005
  #define B576000     0010006
  #define B921600     0010007
  #define B1000000    0010010
  #define B1152000    0010011
  #define B1500000    0010012
  #define B2000000    0010013
  #define B2500000    0010014
  #define B3000000    0010015
  #define B3500000    0010016
  #define B4000000    0010017
  
  #define CBAUD       0010017
  
  #define CSIZE       0000060
  #define CS5         0000000
  #define CS6         0000020
  #define CS7         0000040
  #define CS8         0000060
  #define CSTOPB      0000100
  #define CREAD       0000200
  #define PARENB      0000400
  #define PARODD      0001000
  #define HUPCL       0002000
  #define CLOCAL      0004000
  
  #define ISIG        0000001
  #define ICANON      0000002
  #define ECHO        0000010
  #define ECHOE       0000020
  #define ECHOK       0000040
  #define ECHONL      0000100
  #define NOFLSH      0000200
  #define TOSTOP      0000400
  #define IEXTEN      0100000
  
  #define ECHOCTL     0001000
  #define ECHOPRT     0002000
  #define ECHOKE      0004000
  #define FLUSHO      0010000
  #define PENDIN      0040000
  
  #define TCOOFF      0
  #define TCOON       1
  #define TCIOFF      2
  #define TCION       3
  
  #define TCIFLUSH    0
  #define TCOFLUSH    1
  #define TCIOFLUSH   2
  
  #define TCSANOW     0
  #define TCSADRAIN   1
  #define TCSAFLUSH   2
  
  #endif /* ! _FS_TERMIOS_H */
  