Q:
Can I use base-2 constants
(something like 0b101010)?
Is there a
printf format for binary?
A: No, on both counts, although there are various preprocessor tricks you can try (see the links below). You can convert base-2 string representations to integers with strtol. If you need to print numbers out in base 2, see the example code in question 20.10.
Additional links:
example by Jack Klein
preprocessor trick
by Karl Heuer
prettier preprocessor trick
by Bill Finke
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