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OpenSolaris 2009.06 - man page for curs_overlay (opensolaris section 3curses)

curs_overlay(3CURSES)					     Curses Library Functions					     curs_overlay(3CURSES)

curs_overlay, overlay, overwrite, copywin - overlap and manipulate overlapped curses windows
cc [ flag ... ] file ... -lcurses [ library ... ] #include <curses.h> int overlay(WINDOW *srcwin, WINDOW *dstwin); int overwrite(WINDOW *srcwin, WINDOW *dstwin); int copywin(WINDOW *srcwin, WINDOW *dstwin, int sminrow, int smincol, int dminrow, int dmincol, int dmaxrow, int dmaxcol, int overlay);
The overlay() and overwrite() routines overlay srcwin on top of dstwin. scrwin and dstwin are not required to be the same size; only text where the two windows overlap is copied. The difference is that overlay() is non-destructive (blanks are not copied) whereas overwrite() is destructive. The copywin() routine provides a finer granularity of control over the overlay() and overwrite() routines. Like in the prefresh() routine, a rectangle is specified in the destination window, (dminrow, dmincol) and (dmaxrow, dmaxcol), and the upper-left-corner coordinates of the source window, (sminrow, smincol). If the argument overlay is true, then copying is non-destructive, as in overlay().
Routines that return an integer return ERR upon failure and an integer value other than ERR upon successful completion.
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |MT-Level |Unsafe | +-----------------------------+-----------------------------+
curs_pad(3CURSES), curs_refresh(3CURSES), curses(3CURSES), attributes(5)
The header <curses.h> automatically includes the headers <stdio.h> and <unctrl.h>. Note that overlay() and overwrite may be macros. SunOS 5.11 31 Dec 1996 curs_overlay(3CURSES)