C Interview Questions Every Developer Should Know
C programming is the foundation of many modern languages, and mastering its concepts is crucial for cracking technical interviews. Whether you are a fresher or an experienced developer, interviewers often test your understanding of pointers, memory management, data structures, and control flow. Some common C interview questions include:
-
What are pointers in C, and why are they used?
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Difference between call by value and call by reference.
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Explain dynamic memory allocation with
malloc()andcalloc(). -
What is the difference between
structandunion? -
How does recursion work in C?
Additionally, interviewers may ask you to write small programs like reversing a string, swapping numbers without using a third variable, or implementing linked lists. These questions help employers evaluate your problem-solving skills and practical coding ability.
Preparing well for these C programming questions not only boosts your confidence but also strengthens your fundamentals for other languages like C++, Java, and Python. A solid grasp of C Interview Questions ensures you stand out in competitive technical interviews.
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