In C logic (like a conditional in an if statement):

Zero is false.

Anything else is true.

See also: Cpl Bitwise Logical Operations

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Notes

A byte, word, int, char, or whatever containing zero (all binary zeros) is false.

A byte, word, int, char, or whatever containing anything else (any binary one) is true.

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• () RandyKramer - 23 Apr 2003
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