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Hijjawi Faculty for Engineering Technology Computer Engineering Department CPE 150: Introduction to Programming Lab Task\# 10: Arrays of Char (Strings) and 2D Array Write a C++ program that has three files: header, implementation, and main files. The header file contains the following functions' prototypes: 1. int stringLength(const char[]) This function receives a string and returns its length. The length of a string is the number of its characters excluding the null character. (You are NOT ALLOWED to use the cstring library.) 2. void upperoddLetters(char []) This function receives a string and convert each letter that position is odd to upper case. Hint: use these functions from the cctype library int toupper (char c) Converts c to its uppercase equivalent if c is a lowercase letter and has an uppercase equivalent. If no such conversion is possible, the value returned is c unchanged. e.g: char upper; upper = toupper(temp); int tolower (char c) Converts c to its lowercase equivalent if c is a lowercase letter and has an uppercase equivalent. If no such conversion is possible, the value returned is c unchanged. 3. void read2DArray (int a[][ cols], const int r, const int c) This function reads the elements of the 2D array from the user. 4. void print2DArray(const int a[][cols], const int r, const intc) This function prints the elements of the 2D array to the screen. 5. void manipulate2DArray(const int a[][ cols ], const int r, const int c, int n ) This function subtract n from each element in the array. - implementation.cpp file contains the definitions for the functions which their prototypes are declared in header.h - In main.cpp: - Define local array of char (string) and give it an initial value. - Define local 2D array of integer of size 33 and give it an initial value. - Test your functions in the main program. A menu-driven program with the following menu could be implemented for this purpose. 1. String Length 2. Reverse String 3. Read 2D Array 4. Print 2D Array 5. Manipulate Array Elements 6. Exit