%eclent; ]> Name Nickname In module Description COMMON-LISP CL, LISP &ECL; core Main &CommonLisp; package. CLOS MOP &ECL; core Symbols from the &AMOP;. EXT &ECL; core &ECL; extensions to the language & library. SYSTEM SI, SYS &ECL; core Functions and variables internal to the implementation. Never to be used. FFI ECL core Foreign function interface CMP C CMP The compiler XLIB CLX XLIB CLX library for X-Windows SB-BSD-SOCKETS SOCKETS Sockets library compatible with SBCL's SB-RT RT, REGRESSION-TEST RT Test units (customized for &ECL;) ASDF ASDF System definition file with &ECL; customizations. In we list all packages available in &ECL;. The nicknames are aliases for a package. Thus, system:symbol may be written as sys:symbol or si:symbol. The module field explains which library provides what package. For instance, the ASDF is obtained when loading the ASDF library with (require 'asdf); and the XLIB package when configuring and loading the CLX library.