Binary package “libct4” in ubuntu focal

libraries for connecting to MS SQL and Sybase SQL servers

 FreeTDS is an implementation of the Tabular DataStream protocol, used for
 connecting to MS SQL and Sybase servers over TCP/IP.
 .
 This package includes the shared libraries for the Sybase CT-Lib API.
 You will need this if you plan to connect to MS SQL or Sybase servers, or use
 the PHP sybase or Perl DBD::Sybase extensions.