I this post we have provided part 3 of the C programs most commonly asked in interview along with answers. We recommend you to try to answer the questions, before referring to the given answer. If you find any mistake or a better alternate solution we are happy to see your suggestions and comments

1. Write a function to trim trailing space

2. Write the implementation of toupper() function

3. Write the implementation of tolower() function

4. Write the implementation of strdup() function

5. Write a function to allocate for a 2D int array

6. Write a function to reverse the digits of a integer

7. Write the implementation of strtok() function