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- an ambiguous functional interface between the caller and callee
- sensitive information outflow
A similar rule recommendation deals with parameter type in a more general sense: DCL07-C. Include the appropriate type information in function declarators.
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In C++, foo() and foo(void) have exactly the same meaning and effect, so this rule doesn't apply to C++. However, foo(void) should be declared explicitly instead of foo() to distinguish it from foo(...), which accepts an arbitrary number and type of arguments.
Bibliography
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\[[ISO/IEC 9899:1999|AA. Bibliography#ISO/IEC 9899-1999]\] Forward and Section 6.9.1, "Function definitions"
Bibliography
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\[[C void usage|http://tigcc.ticalc.org/doc/keywords.html#voidhml#void]\] |
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DCL19-C. Use as minimal a scope as possible for all variables and functions 02. Declarations and Initialization (DCL)