C Programming Advanced Quiz 4

1. Explain the placement new operator concept (from C++) and how it relates to explicit memory management in C.

2. What are weak symbols in the context of linking C programs?

3. What is the purpose of assert() macro in C?

4. Explain the difference between a macro and a function in C.

5. What is pointer aliasing and why is it a concern?

6. Describe atomic operations and why they are important in concurrent programming.

7. What is the purpose of re-entrant functions?

8. Explain the use of va_list, va_start, va_arg, and va_end.

9. What is the offsetof operator and its utility?

10. Differentiate between lvalue and rvalue in C expressions.