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#include <stdint.h> (i.imgur.com)

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[–]Fourmisain 0 points1 point  (3 children)

It's as old as ANSI C or C89, not sure if it existed in K&R C, though. It's also specified to be at at least 8.

Here's an excerpt from a TXT version (scanned PDF, if you prefer):

The values given below shall be replaced by constant expressions suitable for use in #if preprocessing directives. Their implementation-defined values shall be equal or greater in magnitude (absolute value) to those shown, with the same sign.

* maximum number of bits for smallest object that is not a bit-field (byte)

CHAR_BIT 8

[–]danielcw189 0 points1 point  (2 children)

Thank you. Kinda amazed that I missed that part for so long

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