It is possible to pass up to 9 arguments to a macro, referred to as $1, ... , $9, and in addition $0 gives the name of the macro.

Can macros have arguments?

The macro definition can include macro arguments, which can be assigned specific values in the macro call. There are two types of arguments: keyword and positional. Keyword arguments are assigned names in the macro definition; in the macro call, they are identified by name.

Can macro be overloaded?

To get an overloaded macro, first we need a macro which selects between several implementations. ... Then a variadic macro which generically counts its arguments produces a selector. Plugging the argument count into a dispatcher produces an overloaded macro.