CYGWIN_NT-4.0 S0BR3TALBRIG1 1.3.3(0.46/3/2) 2001-09-12 23:54 i686 unknown

Screen - version 3.09.10 (FAU) 4-Sep-01
Rxvt - version  2.7.2

from curses.h:

#define NCURSES_VERSION_MAJOR 5
#define NCURSES_VERSION_MINOR 2
#define NCURSES_VERSION_PATCH 20001021