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Thanks Salem.. i was guess i was thinking hex 40.. so dumb of me. Thanks for explaining.

unsigned int a = 40;
unsigned int mask = 1<<3;
unsigned int b = a | mask;
printf ("%d", b);

I have the above code and was expecting a result of 48 for b, but I get an output of 40.

if I use...

The classes dont have much in common, hence did not consider inheritance. Moreover only one of them will be used at any instance.
void * is to point to objects, not class.

thanks for the response.

yes, it will point to the object of the class.
i should have named it as "void * objptr;"

Yes, having the objects is one solution; or better have the pointers and...

I have a design related question.
Say I have 2 classes, class A and class B
I havea third class classMain, where I want to use wither classA or classB at runtime based on some parameters.

I am...

typedef struct stA
{
int a,b;
};

main()
{
stA elems[] = {{10,10},{20,20},{30,30}};
func(elems);
}

Here is a snippet of code;
I want to overload the [] operator such that, when I try to do something like
vCont[i]->name
it should check the mask against Contmask and take specific action.
...

Thanks Bench32 ; the first solution will work for me

In the code (.h file)below, I am creating a class clsA with a constructor.
Then, I am declaring another class clsB, which always will have 2 instances of clsA.
I am getting the C2061 error
...

Hello,
I am trying to divide a large binary number (54 bits) with another binary number (10 bits). Can some one please suggest what would be the fastest (in terms of execution speed) way to...

Hello,
I am trying to divide a large binary number (54 bits) with another binary number (10 bits). Can some one please suggest what would be the fastest (in terms of execution speed) way to...

i dont think so... i have been programming in C for the past few years and have always used a ".h" as a header extension.

Standard C headers are distinguished from user header files in the way...

Expert C Programming - Deep C Secrets by Peter Van der Linden is a very good book but not for beginners.

Can look complicated sometimes but very useful in getting a solid understanding...