Commas in macro arguments

[Peter da Silva]

> >#define call(a,b)	a(b)

> >I can use that to call a function with one argument. How can I use
> >it to call a function with two arguments? In other words: How do I
> >pass a string containing a comma as the second argument to the macro?

> You can't.

Sometimes you can, depending on how much you want to munge the arguments:

#define call(a,b) a b

call(a,(b))
call(c,(d,e))
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