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.
- getoptk: Define macros with sophisticated options
- redefine: Conditional macro, etc., definitions
- inlinedef: Inline expansions within definitions
- xoptarg: Expandable macros that take an optional argument