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From: ChiefCoder
Message 2 in Discussion

Hi Sujay   use of sizeof operator    in C/C++  :: It returns the memory size in bytes 
for a particular datatype. e.g. for int it will return 4(bytes) on modern compilers 
like VC++, Borland C++ etc. but on traditional compilers it will  be 2  only. In any 
case it can't return the value of int variable. Secondly it doesn't apply to class 
reference objects.   in C# :: This operator (sizeof) should only be used in an unsafe 
environment (you need to compile with  /unsafe if you've written an unsafe method) and 
for reference objects, sizeof doesn't recognise the class object. However, sizeof(int) 
will return 4 bytes.   Sumit    

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