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+
+NAME
+ overlay, overwrite, copywin - overlay and manipulate over-
+ lapped curses windows
+
+
+
+SYNOPSIS
+ #include <curses.h>
+
+ int overlay(const WINDOW *srcwin, WINDOW *dstwin);
+ int overwrite(const WINDOW *srcwin, WINDOW *dstwin);
+ int copywin(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 con-
+ trol over the overlay and overwrite routines. Like in the
+ prefresh routine, a rectangle is specified in the destina-
+ tion window, (dminrow, dmincol) and (dmaxrow, dmaxcol),
+ and the upper-left-corner coordinates of the source win-
+ dow, (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 presence of characters with multi-byte
+ renditions (not yet supported in this implementation).
+
+
+
+SEE ALSO
+ curses(3x), curs_pad(3x), curs_refresh(3x)
+
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+Man(1) output converted with
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