defstring – Define macros as verbatim macros
The command \defstring defines its first argument (a control sequence name) as the content of its second argument, with category code ‘other’, with surrounding braces added.
Maybe you are interested in the following packages as well.
- optparams: Macros with multiple optional parameters
- letltxmacro: Let assignment for LaTeX macros
- xparse: A generic document command parser
- xfp: Interface to the LaTeX3 floating point unit