Function declarators must be declared with the appropriate type information, including a return type, parameter list, and function prototype (if the declarator is part of a function definition). If type information is not properly specified in a function declarator, the compiler cannot perform checks on the number and type of arguments being passed to the functionproperly check function type information.
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Attempting to compile a program with a function declarator that does not include the appropriate type information typically generates a warning. These warnings should be resolved \[[MSC00-A. Compile cleanly at high warning levels]\], but do not prevent program compilation. |
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