bindat-format-vector is a compiled Lisp function in `bindat.el'.

(bindat-format-vector VECT FMT SEP &optional LEN)

Format vector VECT using element format FMT and separator SEP.
Result is a string with each element of VECT formatted using FMT and
separated by the string SEP. If optional fourth arg LEN is given, use
only that many elements from VECT.