1. Write suitable C datatypes/data structures representing various pieces of information.

2. Write a function that reads files into these datatype/data structures.

3. Write a function that calculates values from the data structures.

4. Write main function that will call the above functions and output/write the results to a file.

You may refer to the following C function prototypes.

1. Declare suitable datatypes to represent A. A unit in Computing containing an 3-digit unit code and a real number representing a mark out of 100.0. B. A student record containing a list of units that the student has taken, the number of units the student has taken and the name of the student up to 50 characters. C. A collection of student records containing a list of students and the number of students. Answer in C please