You have 2.2.4. It was added in 2.2.5.
From the NEWS file:
Changes in 2.2.5 (since 2.2.4):
....
** New 'get-bytevector-some!' I/O primitive.
-Dale
-----------------------------------------
From: "Roel Janssen"
To: 44371@debbugs.gnu.org
Cc:
Sent: Sunday November 1 2020 9:42:07AM
Subject: bug#44371: Missing 'get-bytevector-some!' in Guile 2.2
Dear Guix,
I installed guile-2.2 on Debian 10.6 and I seem to missing the "get-
bytevector-some!" procedure from "(ice-9 binary-ports)":
----------
# guile
GNU Guile 2.2.4
Copyright (C) 1995-2017 Free Software Foundation, Inc.
Guile comes with ABSOLUTELY NO WARRANTY; for details type `,show w'.
This program is free software, and you are welcome to redistribute it
under certain conditions; type `,show c' for details.
Enter `,help' for help.
scheme@(guile-user)> ,use (ice-9 binary-ports)
scheme@(guile-user)> get-bytevector-some!
;;; : warning: possibly unbound variable `get-
bytevector-some!'
ERROR: In procedure module-lookup: Unbound variable: get-bytevector-
some!
Entering a new prompt. Type `,bt' for a backtrace or `,q' to
continue.
scheme@(guile-user) [1]> ,q
scheme@(guile-user)> get-bytevector-some
$1 = #
----------
Kind regards,
Roel Janssen