<STRONG>int</STRONG> <STRONG>use_screen(SCREEN</STRONG> <STRONG>*</STRONG><EM>scr</EM><STRONG>,</STRONG> <STRONG>NCURSES_SCREEN_CB</STRONG> <EM>func</EM><STRONG>,</STRONG> <STRONG>void</STRONG> <STRONG>*</STRONG><EM>data</EM><STRONG>);</STRONG>
<STRONG>int</STRONG> <STRONG>use_window(WINDOW</STRONG> <STRONG>*</STRONG><EM>win</EM><STRONG>,</STRONG> <STRONG>NCURSES_WINDOW_CB</STRONG> <EM>func</EM><STRONG>,</STRONG> <STRONG>void</STRONG> <STRONG>*</STRONG><EM>data</EM><STRONG>);</STRONG>
<STRONG>int</STRONG> <STRONG>use_screen(SCREEN</STRONG> <STRONG>*</STRONG><EM>scr</EM><STRONG>,</STRONG> <STRONG>NCURSES_SCREEN_CB</STRONG> <EM>func</EM><STRONG>,</STRONG> <STRONG>void</STRONG> <STRONG>*</STRONG><EM>data</EM><STRONG>);</STRONG>
<STRONG>int</STRONG> <STRONG>use_window(WINDOW</STRONG> <STRONG>*</STRONG><EM>win</EM><STRONG>,</STRONG> <STRONG>NCURSES_WINDOW_CB</STRONG> <EM>func</EM><STRONG>,</STRONG> <STRONG>void</STRONG> <STRONG>*</STRONG><EM>data</EM><STRONG>);</STRONG>