how to have the `initscr '() do NOT clear the screen?

[jianghu]

I'd like the initscr() to keep current screen, i.e. when the program using
curses library is injected in terminal and the terminal keeps unchanged. The
user will not aware of that there is a curses library is called. But I can
still use the curses's functions to do some interesting things, for example
the program using curses draw a toolbar at the top of the terminal showing
some hints (stock info, news, etc) but the user can still use its bash to do
his work/development.

Who can tell me how to do it? Thanks a lot.


Thanks,

Jianghu

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