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Why sizeof() is considered as a special operator and not as a function??

Hi Sebastiani,

Could u pls explain a bit.I tried bit shift operation,but did not get the result.

I was trying with bit shift operation but did not succeed.

I want to write a program to add two numbers, such that the addition result is not going to overflow at anytime.Can somebody help me out.

Thanks.

Could anybody tell me how to call a function with in a structure.

Will it compile????

Pls give one example.

Is it option(a)......Not Sure

Where do you have to acquire the semaphore to make the following piece of code reentrant? Assume semget() and semgive() are OS calls to get and release the semaphore respectively.


1 int value;...

Can some body explain what is Reentrancy with examples???

In which header file exactly printf() function is defined??

stdlib.h/libc.so

Suppose an engine is sending 4 bytes of data everytime. Suddenly it stops. Device a error handling mechanism to check at this point of time. You will have to complete the incomplete set of data and...

Null pointer points to 0 or (void*)0 ?

Null pointer points to 0 or (void*)0?

How to know how much of memory has been allocated in stack and how much amount of memory is free??

Hi,

I have compiled your program it runs fine.But you should not declare main() as void.Some compiler does not take main as void rather declare main() as int and return 0(return 0;) in main.

Hi All,

Can anybody give me two examples of linking error?

This question has already been asked to me in two interviews.So I want to know this answer using macro.

Hi All,

How to toggle a bit of a byte using macro.

toggle(number,bit to be toggled)

suppose I want to toggle the 2nd bit of 10001101 then macro to be implemented is

toggle(10001101,2)