Variables scope

Hi there

Few days ago i switched to Visual c++ 6.0 and this is what i discovered.
The compiler accept the following C++ code :

//first loop
	for(unsigned long b=0;b<MeshesArray[current].VerticesCount;b++)
		{
		...//processing
		}
//second loop 
		for( b=0;b<not_used*3;b++)
		{
		...
		}

But i thiink i should write the second FOR like this "for(unsigned long
b=0;b<not_used*3;b++)" (i mean i should redeclare 'b' because it came out of
scope)
When i tried the compiler answered me "error redefinition ..." !!!
Did i forget to set an option ;it is a bit strange isn t it?

Greetings 
GC 


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