Several new projects are being staffed by outside contractors who will be working on servers in the contractors' office, not in the company building, and will have their own VPN server. The contracting company has informed your company that none of its people will be working weekends. What VPN controls can you set up to minimize contract employees' access to your network?

Write a program that prompts the user to input a string. the program then uses the function substr to remove all the vowels from the string. for example, if str = "there", then after removing all the vowels, str = "thr". after removing all the vowels, output the string. your program must contain a function to remove all the vowels and a function to determine whether a character is a vowel.