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overlay(3cur) [ultrix man page]

overlay(3cur)															     overlay(3cur)

       overlay, overwrite - overlay windows

       #include <cursesX.h>

       int overlay(srcwin, dstwin)
       WINDOW *srcwin, *dstwin;

       int overwrite(srcwin, dstwin)
       WINDOW *srcwin, *dstwin;

       The  routine  copies  all  the text from the source window on top of the destination window The two windows are not required to be the same
       size.  The copy starts at (0, 0) on both windows.  The copy is non-destructive, so blanks are not copied.

       The routine copies all of on top of The copy starts at (0, 0) on both windows.  This is a destructive copy as blanks are copied.

Return Values
       The and functions return OK on success and ERR on error.


Check Out this Related Man Page

curs_overlay(3X)														  curs_overlay(3X)

overlay, overwrite, copywin - overlay and manipulate overlapped curses windows SYNOPSIS
#include <curses.h> int overlay(const WINDOW *srcwin, WINDOW *dstwin); int overwrite(const WINDOW *srcwin, WINDOW *dstwin); int copywin(const WINDOW *srcwin, WINDOW *dstwin, int sminrow, int smincol, int dminrow, int dmincol, int dmaxrow, int dmaxcol, int overlay); DESCRIPTION
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 rec- tangle 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. RETURN VALUE
Routines that return an integer return ERR upon failure, and OK (SVr4 only specifies "an integer value other than ERR") upon successful completion. NOTES
Note that overlay and overwrite may be macros. PORTABILITY
The XSI Curses standard, Issue 4 describes these functions (adding the const qualifiers). It further specifies their behavior in the pres- ence of characters with multibyte renditions (not yet supported in this implementation). SEE ALSO
curses(3X), curs_pad(3X), curs_refresh(3X) curs_overlay(3X)
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