chickadee » gl-utils » bytevector-copy!

(bytevector-copy! TO AT FROM [START] [END])procedure

Copies the elements of bytevector FROM between START and END to bytevector TO, starting at AT. It is an error if AT is less than zero or greater than the length of TO. It is also an error if (- (bytevector-length TO) AT) is less than (- END START).