byte-code

byte-code is a built-in function in `C source code'.

(byte-code BYTESTR VECTOR MAXDEPTH)

Function used internally in byte-compiled code.
The first argument, BYTESTR, is a string of byte code;
the second, VECTOR, a vector of constants;
the third, MAXDEPTH, the maximum stack depth used in this function.
If the third argument is incorrect, Emacs may crash.