e <code>trivial-features</code>:</p>
<pre><code class='lisp'>CL-USER&gt; (ql:quickload :trivial-features)

CL-USER&gt; (member :64-bit *features*)
(:64-BIT :BSD :LITTLE-ENDIAN :SLYNK :QUICKLISP :ASDF3.3 :ASDF3.2 ...)

CL-USER&gt; (member :darwin *features*)
(:DARWIN :LITTLE-ENDIAN-TARGET :LITTLE-ENDIAN-HOST)

CL-USER&gt; (member :x86-64 *features*)
(:X86-64 :X86_64 :X86-TARGET :X86-HOST :X8664-TARGET :X8664-HOST ...)

CL-USER&gt; (member :little-endian *features*)
(:LITTLE-ENDIAN :SLYNK :QUICKLISP :ASDF3.3 