6.6.4.1.25 -Wunused-variable
Warn whenever a local variable or non-constant static variable is unused aside from its declaration. To suppress this warning, use the unused attribute (see section 9.10 Variable Attributes).
Warn whenever a local variable or non-constant static variable is unused aside from its declaration. To suppress this warning, use the unused attribute (see section 9.10 Variable Attributes).