Binary package “lib64ncursesw6” in ubuntu mantic
shared libraries for terminal handling (wide character support) (64-bit)
The ncurses library routines are a terminal-
updating character screens with reasonable optimization.
.
This package contains the shared libraries necessary to run programs
compiled with ncursesw, which includes support for wide characters.
.
This package supports the 64-bit ABI variant of your system's
architecture.