List of the (supported) C integer types except plain
Definition:
(defconst *nonchar-integer-types* (list (type-schar) (type-uchar) (type-sshort) (type-ushort) (type-sint) (type-uint) (type-slong) (type-ulong) (type-sllong) (type-ullong)))
Theorem:
(defthm member-nonchar-integer-types-as-pred (implies (typep type) (iff (member-equal type *nonchar-integer-types*) (type-nonchar-integerp type))))