C- Typedef Questions and Answers
The typedef keyword in C programming allows developers to create new data type names, simplifying complex declarations. This topic is commonly covered in programming questions and answers during technical interviews and placement tests conducted by TCS, Infosys, Wipro, and HCL. Understanding how typedef improves code readability and portability is crucial for writing clean, efficient programs. In this section, you’ll find C typedef questions with answers and explanations that illustrate its real-world usage, especially in defining structures and pointers. Practicing these C programming MCQs enhances your conceptual clarity and prepares you for coding rounds and technical interviews effectively.
C- Typedef
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23 questions
21. What is typedef struct {int x;} Point; used for?
- Declares Point variable
- Creates Point as type name for the structure
- Defines structure with tag Point
- Creates function named Point
22. Can typedef names be the same as existing type names?
- No, compiler error
- Yes, but not recommended
- Only in different files
- Only with structures
23. What is the main benefit of typedef in large projects?
- Faster execution
- Smaller memory footprint
- Better code readability and maintainability
- Automatic bug fixing