Library /sys$common/syshlp/helplib.hlb  —  CRTL  overwrite
    Destructively writes the contents of win1 on win2.

    Format

      #include  <curses.h>

      int overwrite  (WINDOW *win1, WINDOW *win2);

1  –  Arguments

 win1

    A pointer to the window.

 win2

    A pointer to the window.

2  –  Description

    The overwrite function writes the contents of win1 that will fit
    onto win2 beginning at the starting coordinates of both windows.
    Blanks on win1 are written on win2 as blanks. This function
    copies as much of a window's box as possible.

3  –  Return Values

    OK                 Indicates success.
    ERR                Indicates failure.
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