Elad Weiss
Reputation: 4002
Where is the __unused macro defined?
I saw once a usage of the macro __unused which is explained here, but for some reason I can't find now where it is defined. Will appreciate help. I need it for an ansi C project. Thanks.
Upvotes: 0
Views: 371
Answers (1)
sg7
Reputation: 6298
unused
is GCC specific 6.32.1 Common Variable Attributes
This attribute, attached to a variable, means that the variable is meant to be possibly unused. GCC does not produce a warning for this variable.
NTERNATIONAL STANDARD ©ISO/IEC ISO/IEC 9899:201x does not even mention unused.
Upvotes: 1
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