(libc.info.gz) Mode Data Types

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(libc.info.gz) Terminal Modes

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 17.4.1 Terminal Mode Data Types
 -------------------------------
 
 The entire collection of attributes of a terminal is stored in a
 structure of type 'struct termios'.  This structure is used with the
 functions 'tcgetattr' and 'tcsetattr' to read and set the attributes.
 
  -- Data Type: struct termios
      Structure that records all the I/O attributes of a terminal.  The
      structure includes at least the following members:
 
      'tcflag_t c_iflag'
           A bit mask specifying flags for input modes; see  Input
           Modes.
 
      'tcflag_t c_oflag'
           A bit mask specifying flags for output modes; see  Output
           Modes.
 
      'tcflag_t c_cflag'
           A bit mask specifying flags for control modes; see 
           Control Modes.
 
      'tcflag_t c_lflag'
           A bit mask specifying flags for local modes; see  Local
           Modes.
 
      'cc_t c_cc[NCCS]'
           An array specifying which characters are associated with
           various control functions; see  Special Characters.
 
      The 'struct termios' structure also contains members which encode
      input and output transmission speeds, but the representation is not
      specified.   Line Speed, for how to examine and store the
      speed values.
 
    The following sections describe the details of the members of the
 'struct termios' structure.
 
  -- Data Type: tcflag_t
      This is an unsigned integer type used to represent the various bit
      masks for terminal flags.
 
  -- Data Type: cc_t
      This is an unsigned integer type used to represent characters
      associated with various terminal control functions.
 
  -- Macro: int NCCS
      The value of this macro is the number of elements in the 'c_cc'
      array.
 

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(libc.info.gz) Terminal Modes

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