◄Up► ◄Contents► ◄Index► ◄Back► ─────Run-Time Library─────────────────────────────────────────────────────── The following functions identify the type of a character or convert between types: isalnum iscntrl ispunct tolower isalpha isdigit isspace _tolower __isascii isgraph isupper toupper _iscsym islower isxdigit _toupper _iscsymf isprint __toascii -♦-