Conforming level 2 implementations shall define _XOPEN_CURSES version test macro and provide the internationalized curses library functions which are specified in [XCURSES4.2].

• 一致性实现方案的第二层应当定义_XOPEN_CURSES版本测试宏程序库并提供在[XCURSES4.；2]中指定的国际化的鼠标库的库函数。