Move the cursor to coordinates (y,x) and insert the specified
    string into the specified window. The mvinsstr function acts on
    the stdscr window.

    Format

      #include  <curses.h>

      int mvinsstr  (int y, int x, char *str);

      int mvwinsstr  (WINDOW *win, int y, int x, char *str);

1  –  Arguments

 win

    A pointer to the window.

 y

    A window coordinate.

 x

    A window coordinate.

 str

    The string that is displayed.

2  –  Description

    Each character after the string shifts to the right, and the last
    character disappears. The mvinsstr and mvwinsstr functions are
    specific to VSI C for OpenVMS Systems and are not portable.

3  –  Return Values

    OK                 Indicates success.
    ERR                Indicates that the function makes the screen
                       scroll illegally. For more information, see
                       the scrollok function.