derwin man page on Solaris

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derwin(3XCURSES)	X/Open Curses Library Functions	      derwin(3XCURSES)

NAME
       derwin, newwin, subwin - create a new window or subwindow

SYNOPSIS
       cc [ flag... ] file... -I /usr/xpg4/include -L /usr/xpg4/lib \
       -R /usr/xpg4/lib -lcurses [ library... ]

       c89 [ flag... ] file... -lcurses [ library... ]

       #include <curses.h>

       WINDOW  *derwin(WINDOW  *orig,  int nlines, int ncols, int begin_y, int
       begin_x);

       WINDOW *newwin(int nlines, int ncols, int begin_y, int begin_x);

       WINDOW *subwin(WINDOW *orig, int nlines, int ncols,  int	 begin_y,  int
       begin_x);

DESCRIPTION
       The derwin() function creates a subwindow within window orig,  with the
       specified number of lines and columns, and  upper  left	corner	 posi‐
       tioned  at  begin_x, begin_y relative to window orig.  A pointer to the
       new window structure is returned.

       The newwin() function creates a new window with the specified number of
       lines  and  columns  and	 upper	left  corner  positioned  at  begin_x,
       begin_y.	 A pointer to the new window structure is returned.   A	 full-
       screen window can be created by calling newwin(0,0,0,0).

       If the number of lines specified is zero, newwin() uses a default value
       of LINES minus begin_y; if the number of columns	 specified  is	 zero,
       newwin() uses the default value of COLS minus  begin_x.

       The  subwin() function creates a subwindow within window orig, with the
       specified number of lines and columns, and upper left corner positioned
       at  begin_x,  begin_y  (relative	 to the physical screen, not to window
       orig). A pointer to the new window structure is returned.

       The original window and subwindow share character storage of the	 over‐
       lapping	area (each window maintains its own pointers, cursor location,
       and other items). This means that characters and attributes are identi‐
       cal  in	overlapping  areas  regardless	of which window characters are
       written to.

       When using subwindows, it is often necessary to call touchwin(3XCURSES)
       before wrefresh(3XCURSES) to maintain proper screen contents.

PARAMETERS
       orig	       Is a pointer to the parent window for the newly created
		       subwindow.

       nlines	       Is the number of lines in the subwindow.

       ncols	       Is the number of columns in the subwindow.

       begin_y	       Is the y (row) coordinate of the upper left  corner  of
		       the subwindow, relative	to the parent window.

       begin_x	       Is  the	x (column) coordinate of the upper left corner
		       of the subwindow, relative to the parent window.

RETURN VALUES
       On success, these functions return a pointer to the newly-created  win‐
       dow. Otherwise, they return ERR.

ERRORS
       None.

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

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

SEE ALSO
       doupdate(3XCURSES),    is_linetouched(3XCURSES),	  libcurses(3XCURSES),
       attributes(5), standards(5)

SunOS 5.10			  5 Jun 2002		      derwin(3XCURSES)
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