L Moving to the next question prevents changes to this answer. Question 11 The function concatenates the contents of one C-string with another C-string. strcopy strappend strcat stradd None of these L A Moving to the next question prevents changes to this answer. A Moving to the next question prevents changes to this answer. Question 12 The function will change a character argument from uppercase to lowercase. islower tolower atoi toupper 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 13 The arguments of the strcpy function are two C-strings two addresses three pointers one array and one pointer None of these L A Moving to the next question prevents changes to this answer. A Moving to the next question prevents changes to this answer. Question 14 A library function that can find one C-string inside another is stramp strstr strfind strsearch 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 15 The function that reverses the order of a C-string is reversstr strrev reverseit back None of these L A Moving to the next question prevents changes to this