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curs_border 3x



curs_border(3x)                                         curs_border(3x)




NAME

       border, wborder, box, hline, whline, vline, wvline,
       mvhline, mvwhline, mvvline, mvwvline - create curses
       borders, horizontal and vertical lines


SYNOPSIS

       #include <curses.h>
       int border(chtype ls, chtype rs, chtype ts, chtype bs,
          chtype tl, chtype tr, chtype bl, chtype br);
       int wborder(WINDOW *win, chtype ls, chtype rs,
          chtype ts, chtype bs, chtype tl, chtype tr,
          chtype bl, chtype br);
       int box(WINDOW *win, chtype verch, chtype horch);
       int hline(chtype ch, int n);
       int whline(WINDOW *win, chtype ch, int n);
       int vline(chtype ch, int n);
       int wvline(WINDOW *win, chtype ch, int n);
       int mvhline(int y, int x, chtype ch, int n);
       int mvwhline(WINDOW *, int y, int x, chtype ch, int n);
       int mvvline(int y, int x, chtype ch, int n);
       int mvwvline(WINDOW *, int y, int x, chtype ch, int n);


DESCRIPTION

       The border, wborder and box routines draw a box around the
       edges of a window.  Other than the window,  each  argument
       is a character with attributes:

              ls - left side,
              rs - right side,
              ts - top side,
              bs - bottom side,
              tl - top left-hand corner,
              tr - top right-hand corner,
              bl - bottom left-hand corner, and
              br - bottom right-hand corner.

       If  any of these arguments is zero, then the corresponding
       default values (defined in curses.h) are used instead:

              ACS_VLINE,
              ACS_VLINE,
              ACS_HLINE,
              ACS_HLINE,
              ACS_ULCORNER,
              ACS_URCORNER,
              ACS_LLCORNER,
              ACS_LRCORNER.

       box(win, verch, horch) is a shorthand  for  the  following
       call:  wborder(win,  verch,  verch, horch, horch, 0, 0, 0,
       0).

       The hline and whline functions draw a horizontal (left  to
       right)  line using ch starting at the current cursor posi-
       tion in the window.  The current cursor  position  is  not
       changed.   The  line  is  at most n characters long, or as
       many as fit into the window.

       The vline and wvline functions draw  a  vertical  (top  to
       bottom) line using ch starting at the current cursor posi-
       tion in the window.  The current cursor  position  is  not
       changed.   The  line  is  at most n characters long, or as
       many as fit into the window.


RETURN VALUE

       All routines return the integer  OK.   The  SVr4.0  manual
       says  "or  a  non-negative integer if immedok is set", but
       this appears to be an error.

       X/Open does not define any error conditions.  This  imple-
       mentation returns an error if the window pointer is null.

       Functions  with a "mv" prefix first perform a cursor move-
       ment using wmove, and return an error if the  position  is
       outside the window, or if the window pointer is null.


NOTES

       The  borders  generated by these functions are inside bor-
       ders (this is also true of SVr4 curses, though the fact is
       not documented).

       Note that border and box may be macros.


PORTABILITY

       These  functions are described in the XSI Curses standard,
       Issue 4.  The standard specifies that they return  ERR  on
       failure, but specifies no error conditions.


SEE ALSO

       curses(3x), curs_outopts(3x).



                                                        curs_border(3x)

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