Write a C program using 2 different ways of that given of each question . i need this program written in a diffrent way but works the same, so it wont match with the solution i provided. If possible create 2 different ways..

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2. Write a C program that receive a string from the user and convert all uppercase characters to lowercase and all lowercase letters to uppercase (Hint: there is a fixed difference or offset between each lowercase and uppercase character) 3. Write a C program to receive 10 words and sort them in dictionary order. For four words example, R, C, JavaScript, Java should be sorted as C, Java, JavaScript, R. You are allowed to use string libraries such as strcpy() and stremp