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    Command:

    set_term

    
    
    
    

    SYNOPSIS

           #include <curses.h>
    
           WINDOW *initscr(void);
           int endwin(void);
           bool isendwin(void);
           SCREEN *newterm(char *type, FILE *outfd, FILE *infd);
           SCREEN *set_term(SCREEN *new);
           void delscreen(SCREEN* sp);
    
    
    

    DESCRIPTION

           initscr is normally the first curses routine to call when  initializing
           a  program.   A few special routines sometimes need to be called before
           it; these are slk_init, filter, ripoffline, use_env.  For multiple-ter-
           minal applications, newterm may be called before initscr.
    
           The initscr code determines the terminal type and initializes all curs-
           es data structures.  initscr also causes the first call to  refresh  to
           clear the screen.  If errors occur, initscr writes an appropriate error
           message to standard error and exits; otherwise, a pointer  is  returned
           to stdscr.
    
           A program that outputs to more than one terminal should use the newterm
           routine for each terminal instead of initscr.  A program that needs  to
           inspect capabilities, so it can continue to run in a line-oriented mode
           if the terminal cannot support a screen-oriented  program,  would  also
           use newterm.  The routine newterm should be called once for each termi-
           nal.  It returns a variable of type SCREEN * which should be saved as a
           reference to that terminal.  The arguments are the type of the terminal
           to be used in place of $TERM, a file pointer for output to  the  termi-
           nal,  and  another file pointer for input from the terminal (if type is
           NULL, $TERM will be used).  The program must also call endwin for  each
           terminal  being  used before exiting from curses.  If newterm is called
           more than once for the same terminal, the first  terminal  referred  to
           must be the last one for which endwin is called.
    
           A  program  should  always  call endwin before exiting or escaping from
           curses mode temporarily.  This routine restores tty  modes,  moves  the
           cursor  to the lower left-hand corner of the screen and resets the ter-
           minal into the proper non-visual mode.  Calling refresh or doupdate af-
           ter a temporary escape causes the program to resume visual mode.
    
           The isendwin routine returns TRUE if endwin has been called without any
           subsequent calls to wrefresh, and FALSE otherwise.
    
           The set_term routine is used to  switch  between  different  terminals.
           The  screen reference new becomes the new current terminal.  The previ-
           ous terminal is returned by the routine.   This  is  the  only  routine
           which  manipulates  SCREEN pointers; all other routines affect only the
           current terminal.
    
           Note that initscr and newterm may be macros.
    
    
    

    PORTABILITY

           These functions are described in the XSI Curses standard, Issue 4.   It
           specifies  that  portable  applications must not call initscr more than
           once.
    
           Old versions of curses, e.g., BSD 4.4, may have returned a null pointer
           from  initscr  when  an  error is detected, rather than exiting.  It is
           safe but redundant to check the return value of initscr in XSI  Curses.
    
    
    

    SEE ALSO

           ncurses(3NCURSES),  kernel(3NCURSES), refresh(3NCURSES), slk(3NCURSES),
           util(3NCURSES), curses_variables(3NCURSES).
    
                                                                 initscr(3NCURSES)
    
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