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Bokep
- Viewed 30k times13answered Feb 22, 2016 at 23:28
ISO C and C99 both define ! like so.
The result of the logical negation operator ! is 0 if the value of its operand compares unequal to 0, 1 if the value of its operand compares equal to 0. The result has type int . The expression !E is equivalent to (0==E).
So !0 evaluates to 1. Given a standards compliant C compiler both your options will h...
#define TRUE (1==1)#define FALSE (!TRUE)This has the advantage of always being true no matter the language. For example, in shell 0 is usually considered "true" or "not an error".
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