Moving to the next question prevents changes to this answer. Question 16 function. To test whether a character is a printable character, use the isprint isprintable isprintok isoktoprint None of these L> A Moving to the next question prevents changes to this answer. Moving to the next question prevents changes to this answer. Question 17 The function that converts a C-string to an integer and returns the integer value is atoint strtoint strint atoi None of these L> A Moving to the next question prevents changes to this answer. Moving to the next question prevents changes to this answer. Question 18 Which of the following statements appropriately defines a C-string that stores names of up to 25 characters? char name [25]; string name [25] ; char name [26] ; string name [24]; None of these L. A Moving to the next question prevents changes to this answer. Moving to the next question prevents changes to this answer. Question 19 The function will change a character argument from lowercase to uppercase. isupper toupper tolarge fromlower None of these A Moving to the next question prevents changes to this answer. Moving to the next question prevents changes to this answer. Question 20 Which of the following will return true if the argument is a printable character other than a digit, letter, or space? isprint ispunct ischar isnotdls None of these L> A Moving to the next question prevents changes to this