6.26.1 Predicate functions

Function: list-of-bytevectors? obj

Return #t if OBJ is null or a proper list of bytevectors; otherwise return #f.

Function: empty-bytevector? obj

Return #t if obj is a bytevector and it is empty; otherwise return #f.

Function: nebytevector? obj

Return #t if obj is a bytevector and it is non–empty; otherwise return #f.