slk_clear man page on OpenIndiana

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curs_slk(3CURSES)	   Curses Library Functions	     curs_slk(3CURSES)

NAME
       curs_slk,  slk_init,  slk_set, slk_refresh, slk_noutrefresh, slk_label,
       slk_clear, slk_restore, slk_touch, slk_attron, slk_attrset, slk_attroff
       - curses soft label routines

SYNOPSIS
       cc [ flag ... ] file ... -lcurses [ library ... ]
       #include <curses.h>

       int slk_init(int fmt);

       int slk_set(int labnum, char *label, int fmt);

       int slk_refresh(void);

       int slk_noutrefresh(void);

       char *slk_label(int labnum);

       int slk_clear(void);

       int slk_restore(void);

       int slk_touch(void);

       int slk_attron(chtype attrs);

       int slk_attrset(chtype attrs);

       int slk_attroff(chtype attrs);

DESCRIPTION
       curses  manipulates  the	 set of soft function-key labels that exist on
       many terminals. For those terminals  that  do  not  have	 soft  labels,
       curses  takes over the bottom line of stdscr, reducing the size of std‐
       scr and the variable LINES. curses standardizes on eight labels	of  up
       to eight characters each.

       To  use	soft  labels,  the  slk_init()	routine	 must be called before
       initscr() or newterm() is called. If initscr() eventually uses  a  line
       from  stdscr  to	 emulate  the soft labels, then fmt determines how the
       labels are arranged on the screen. Setting fmt to 0 indicates  a	 3-2-3
       arrangement of the labels; 1 indicates a 4-4 arrangement.

       With  the  slk_set()  routine, labnum is the label number, from 1 to 8.
       label is the string to be put on the label, up to eight	characters  in
       length.	A  null string or a null pointer sets up a blank label. fmt is
       either 0, 1, or 2, indicating whether the label is  to  be  left-justi‐
       fied, centered, or right-justified, respectively, within the label.

       The  slk_refresh()  and	slk_noutrefresh()  routines  correspond to the
       wrefresh() and wnoutrefresh() routines.

       With the slk_label() routine, the current label for label number labnum
       is returned with leading and trailing blanks stripped.

       With  the  slk_clear()  routine,	 the  soft labels are cleared from the
       screen.

       With the slk_restore() routine, the soft labels	are  restored  to  the
       screen after a slk_clear() is performed.

       With the slk_touch() routine, all the soft labels are forced to be out‐
       put the next time a slk_noutrefresh() is performed.

       The slk_attron(), slk_attrset(), and slk_attroff() routines  correspond
       to attron(), attrset(), and attroff(). They have an effect only if soft
       labels are simulated on the bottom line of the screen.

RETURN VALUES
       Routines that return an integer return ERR upon failure and an  integer
       value other than ERR upon successful completion.

       slk_label() returns NULL on error.

ATTRIBUTES
       See attributes(5) for descriptions of the following attributes:

       ┌─────────────────────────────┬─────────────────────────────┐
       │      ATTRIBUTE TYPE	     │	    ATTRIBUTE VALUE	   │
       ├─────────────────────────────┼─────────────────────────────┤
       │MT-Level		     │Unsafe			   │
       └─────────────────────────────┴─────────────────────────────┘

SEE ALSO
       curs_attr(3CURSES),    curs_initscr(3CURSES),	curs_refresh(3CURSES),
       curses(3CURSES), attributes(5)

NOTES
       The header <curses.h> automatically includes the headers	 <stdio.h> and
       <unctrl.h>.

       Most  applications  would use slk_noutrefresh() because a wrefresh() is
       likely to follow soon.

SunOS 5.11			  31 Dec 1996		     curs_slk(3CURSES)
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