Write the following c functions and call them appropriately in the main function of c using menu approach.Please handle special cases appropriately. 1.Create a linked list of students consisting of the fields {Name,Adreress,Age,Dept, Marks, link} in sorted ordrer of name (ascending) 2.Sort the original linked list on marks using insertion sort method. 3.Merge two sorted linked (on marks) lists L1 and L2 and final merged list is pointed out out by L1. 4.Compute the average marks of students in linked list created in 1. When you execute the programme ,the following menu should be displayed MENU 1.Create a linked list 2.Sorting 3.Merging 4.Compute average marks 5.Exit

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as razor said.