How to call a class method if its name is in a variable on arduino(C)?

Question

Arduino

How to call a class method if its name is in a variable?
extern char buffer[100]; - contains A.start();
how to call start method of class A? Moreover, there is no string as such, there is only an array of characters.

Answer 1

Очевидно, в такой постановке (кстати, C++ же) :
Но вообще - это какой-то странный подход.

Answer 2

The decision came by itself. Decided to use an array of pointers to functions.