C declarations & assignment ops

[Doug Gwyn <gwyn>]

> >	 int ptr[]   <=>   int *ptr

Oo, oo!  This brings to mind a useful language extension:

	a <=> b;

for exchanging the contents of a and b.  How often have you written:

	{	register type	t;

		t = a;
		a = b;
		b = t;
	}