Twin directories of Ncurses:

[DIR]  ftp://ftp.zenez.com/pub/SCO/skunkware/98/opt/K/SKUNK98/Ncurses/
[DIR]  ftp://ftp.funet.fi/.m/mirrors2/piwo.bl.pg.gda.pl/pub/atari/mint/Programming/Gcc/Ncurses/