Standard extensions (logical exclusive or)

Paul D Fardy pdf at garfield.UUCP
Sat Nov 10 04:18:57 AEST 1984

The expression a ^^ b is not logically equivalent to a != b.
if a = 2 and b = 3, then a ^^ b is false,  but a != b is true.

1 is not true in C.  0 is false and !0 is true.

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