alpha-char-p
alphanumericp
both-case-p
char-code-limit
char-equal
char-greaterp
char-lessp
char-not-equal
char-not-greaterp
char-not-lessp
char/=
char<
char<=
char=
char>
char>=
digit-char-p
graphic-char-p
lower-case-p
standard-char-p
upper-case-p