Unknow Characters in Display using ncurses

[Irfan Ali]

Hi Dear,
I have written a small C/C++ aplication which is using ncurses library. When
the application runs, some times some unknown characters are displayed on
the screen. It happens some times and on some pc's. I have used "mvwprintw"
for displaying text of my own will and proper use of "wrefresh" to refresh
window. But i m not getting the idea from where those chararcter comes from.
The unwanted characters are diplayed randomly on the screen meaning that
they not have some specified position on the screen. Can any one help me in
this matter.

Thanks

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