121. How do you use conditional operators in C?
122. What is the use of the sizeof operator in arrays?
123. How do you initialize an array in C?
124. What is a function pointer in C?
125. How do you declare and use a function pointer?
126. What are callback functions in C?
127. How do you pass a function as an argument in C?
128. What is the significance of the volatile keyword?
129. How do you use the register keyword?
130. What are the differences between struct and union?
131. What is the purpose of the extern keyword?
132. How do you use the static keyword in C?
133. What is the role of the preprocessor in C?
134. How do you use conditional compilation in C?
135. What is the difference between #ifdef and #ifndef?
136. How do you create a multi-file C program?
137. What are the different ways to define constants in C?
138. What is the difference between a shallow copy and a deep copy?
139. How do you swap two numbers without using a temporary variable?
140. What is a palindrome, and how do you check for it in C?
141. How do you implement a simple calculator in C?
142. What is the purpose of the volatile keyword?
143. How do you create a simple guessing game in C?
144. What is the significance of the continue statement in loops?
145. How do you implement a binary search tree in C?
146. What are the advantages of using functions in C?
147. What is the purpose of the strcat function?
148. How do you convert a string to an integer in C?
149. What is the use of the atoi function?
150. How do you reverse the elements of an array?
151. What is the difference between malloc and calloc?
152. How do you implement a simple text editor in C?
153. What is the use of the fgets function?
154. How do you compare two integers in C?
155. What is the purpose of the isalpha function?
156. How do you check if a number is even or odd?
157. What are command line arguments in C?
158. How do you access the last element of an array?
159. What is the difference between a preprocessor directive and a function?
160. How do you find the largest element in an array?