6. Write a C program that displays transpose of a matrix. It is obtained by interchanging rows and columns of a matrix. For example, if a matrix is: 123 456 Then transpose of above matrix will be: 14 25 36 You have to create the following functions, and then call them in the main: a) Function fill Matrix that allows the user to insert elements into the matrix. b) Function displayMatrix that displays the matrix elements on the screen. c) Function transposeMatrix that interchanges rows and columns of a matrix (of any size)