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Hmmm... I dont know who wrote your iostream headers (Microsloth?) but mine (g++ under Linux) certainly have default ctors. Indeed thats the standard. Have you read your headers carefully?<br />

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Hmmm... I dont know who wrote your iostream headers (Microsloth?) but mine (g++ under Linux) certainly have default ctors. Indeed thats the standard. Have you read your headers carefully?


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What errors do you get?<br />

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I'd like to derivate STO ostream class. I have problem in doing that coz there is no default ctor for this STL class. I am using VC 5.0 .
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I'd like to derivate STO ostream class. I have problem in doing that coz there is no default ctor for this STL class. I am using VC 5.0 .

derivating STL ostream

C++ is an intermediate-level general-purpose programming language, not to be confused with C or C#. It was developed as a set of extensions to the C programming language to improve type-safety and add support for automatic resource management, object-orientation, generic programming, and exception handling, among other features.