wresize - resize a curses window
int wresize(WINDOW *win, int lines, int columns);
This is an extension to the curses library. It reallo-
cates storage for an ncurses window to adjust its dimen-
sions to the specified values. If either dimension is
larger than the current values, the window's data is
filled with blanks that have the current background rendi-
tion (as set by wbkgdset) merged into them.
The function returns the integer ERR upon failure and OK
on success. It will fail if either of the dimensions less
than or equal to zero, or if an error occurs while
(re)allocating memory for the window.
The only restriction placed on the dimensions is that they
be greater than zero. The dimensions are not compared to
curses screen dimensions to simplify the logic of
resizeterm. The caller must ensure that the window's
dimensions fit within the actual screen dimensions.
Thomas Dickey (from an equivalent function written in 1988
for BSD curses).
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