81. What is the significance of volatile in multi-threaded programs?
82. How do you implement a binary tree traversal using recursion?
83. What is the purpose of the strerror function?
84. How do you handle command-line arguments in C?
85. What are the best practices for writing maintainable C code?
86. How do you use the strncmp function for string comparison?
87. What is the difference between strchr and strrchr?
88. How do you create a dynamic array in C?
89. What is the purpose of the fgets function for reading lines from a file?
90. How do you implement a simple stopwatch program in C?
91. What are the differences between fopen and freopen?
92. How do you implement a simple text editor with file handling?
93. What is the use of the snprintf function for formatted strings?
94. How do you manage file pointers and their positions?
95. What is the significance of the fseek function?
96. How do you create a simple logging system in C?
97. What are the common pitfalls when using pointers in C?
98. How do you implement a priority queue using a heap?
99. What is the purpose of the va_list type in variadic functions?
100. How do you implement a simple search engine in C?
101. What is the significance of the offsetof macro?
102. How do you create a simple hash table with collision resolution?
103. What is the purpose of the fstat function in file handling?
104. How do you handle string manipulations safely in C?
105. What are the benefits of using a custom memory allocator?
106. How do you implement a linked list with generic types?
107. What is the difference between stack and heap memory allocation?
108. How do you implement a simple calculator using a state machine?
109. What is the use of strpbrk for string searching?
110. How do you create a recursive function to reverse a string?
111. What is the significance of the __attribute__ keyword in C?
112. How do you implement a simple game loop in C?
113. What is the role of the setbuf function for file streams?
114. How do you implement a simple event-driven program in C?
115. What are the steps to create a simple HTTP server in C?
116. How do you use the poll function for I/O multiplexing?
117. What is the purpose of the isxdigit function in character handling?
118. How do you handle memory allocation failures gracefully?
119. What is the use of the bsearch function for searching sorted arrays?
120. How do you implement a simple caching mechanism in C?