int resizeterm(int lines, int columns);
This is an extension to the curses library. It provides
callers with a hook into the ncurses data to resize windows, primarily for
use by programs running in an X Window terminal (for example, xterm).
When resizing the windows, the function blank-fills the areas that are extended. The calling application should fill in these areas with appropriate data.
The function does not resize other windows.
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 windows.
While this function is intended to be used to support a
signal handler (that is, for SIGWINCH), care should be taken
to avoid invoking it in a context where
Thomas Dickey (from an equivalent function written in 1988 for BSD curses).
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