Update copyright dates with scripts/update-copyrights

216 files changed, 216 insertions, 216 deletions

diff --git a/stdlib/Makefile b/stdlib/Makefile
index 417d525d8e..e0fc82fc4d 100644
--- a/stdlib/Makefile
+++ b/stdlib/Makefile
@@ -1,4 +1,4 @@
-# Copyright (C) 1991-2022 Free Software Foundation, Inc.
+# Copyright (C) 1991-2023 Free Software Foundation, Inc.
 # This file is part of the GNU C Library.
 
 # The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/a64l.c b/stdlib/a64l.c
index 2290b2c71c..376053b726 100644
--- a/stdlib/a64l.c
+++ b/stdlib/a64l.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/abort.c b/stdlib/abort.c
index 9c1065af0e..16a453459c 100644
--- a/stdlib/abort.c
+++ b/stdlib/abort.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/abs.c b/stdlib/abs.c
index 182abe5d83..cda95085ca 100644
--- a/stdlib/abs.c
+++ b/stdlib/abs.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/add_n.c b/stdlib/add_n.c
index c117101474..4e847c40fb 100644
--- a/stdlib/add_n.c
+++ b/stdlib/add_n.c
@@ -1,6 +1,6 @@
 /* mpn_add_n -- Add two limb vectors of equal, non-zero length.
 
-Copyright (C) 1992-2022 Free Software Foundation, Inc.
+Copyright (C) 1992-2023 Free Software Foundation, Inc.
 
 This file is part of the GNU MP Library.
 
diff --git a/stdlib/addmul_1.c b/stdlib/addmul_1.c
index c224be5187..dd41d23556 100644
--- a/stdlib/addmul_1.c
+++ b/stdlib/addmul_1.c
@@ -3,7 +3,7 @@
    limb vector pointed to by RES_PTR.  Return the most significant limb of
    the product, adjusted for carry-out from the addition.
 
-Copyright (C) 1992-2022 Free Software Foundation, Inc.
+Copyright (C) 1992-2023 Free Software Foundation, Inc.
 
 This file is part of the GNU MP Library.
 
diff --git a/stdlib/alloca.h b/stdlib/alloca.h
index 7665a131a6..efc7116114 100644
--- a/stdlib/alloca.h
+++ b/stdlib/alloca.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/arc4random.c b/stdlib/arc4random.c
index c126c601bf..757aaa31bc 100644
--- a/stdlib/arc4random.c
+++ b/stdlib/arc4random.c
@@ -1,5 +1,5 @@
 /* Pseudo Random Number Generator
-   Copyright (C) 2022 Free Software Foundation, Inc.
+   Copyright (C) 2022-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/arc4random_uniform.c b/stdlib/arc4random_uniform.c
index 5aa98d1c13..f106e61685 100644
--- a/stdlib/arc4random_uniform.c
+++ b/stdlib/arc4random_uniform.c
@@ -1,6 +1,6 @@
 /* Random pseudo generator number which returns a single 32 bit value
    uniformly distributed but with an upper_bound.
-   Copyright (C) 2022 Free Software Foundation, Inc.
+   Copyright (C) 2022-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/at_quick_exit.c b/stdlib/at_quick_exit.c
index f6bfd2c249..0f43d0c759 100644
--- a/stdlib/at_quick_exit.c
+++ b/stdlib/at_quick_exit.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/atexit.c b/stdlib/atexit.c
index d29f97e60b..b4e09af8f0 100644
--- a/stdlib/atexit.c
+++ b/stdlib/atexit.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/atof.c b/stdlib/atof.c
index 782c6053eb..fb80be81ac 100644
--- a/stdlib/atof.c
+++ b/stdlib/atof.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/atoi.c b/stdlib/atoi.c
index c977506b38..91450dad00 100644
--- a/stdlib/atoi.c
+++ b/stdlib/atoi.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/atol.c b/stdlib/atol.c
index 5706d6e143..6cc3feb233 100644
--- a/stdlib/atol.c
+++ b/stdlib/atol.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/atoll.c b/stdlib/atoll.c
index 05ad7c141b..672587e4de 100644
--- a/stdlib/atoll.c
+++ b/stdlib/atoll.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/bits/monetary-ldbl.h b/stdlib/bits/monetary-ldbl.h
index fff6704c39..879cb2925d 100644
--- a/stdlib/bits/monetary-ldbl.h
+++ b/stdlib/bits/monetary-ldbl.h
@@ -1,5 +1,5 @@
 /* -mlong-double-64 compatibility mode for monetary functions.
-   Copyright (C) 2006-2022 Free Software Foundation, Inc.
+   Copyright (C) 2006-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/bits/stdlib-float.h b/stdlib/bits/stdlib-float.h
index b4645dc96c..b16d0bb7db 100644
--- a/stdlib/bits/stdlib-float.h
+++ b/stdlib/bits/stdlib-float.h
@@ -1,5 +1,5 @@
 /* Floating-point inline functions for stdlib.h.
-   Copyright (C) 2012-2022 Free Software Foundation, Inc.
+   Copyright (C) 2012-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/bits/stdlib-ldbl.h b/stdlib/bits/stdlib-ldbl.h
index bf2c0b551d..0bfeed4e68 100644
--- a/stdlib/bits/stdlib-ldbl.h
+++ b/stdlib/bits/stdlib-ldbl.h
@@ -1,5 +1,5 @@
 /* -mlong-double-64 compatibility mode for <stdlib.h> functions.
-   Copyright (C) 2006-2022 Free Software Foundation, Inc.
+   Copyright (C) 2006-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/bits/stdlib.h b/stdlib/bits/stdlib.h
index de1c3b20f0..c6c0082ad5 100644
--- a/stdlib/bits/stdlib.h
+++ b/stdlib/bits/stdlib.h
@@ -1,5 +1,5 @@
 /* Checking macros for stdlib functions.
-   Copyright (C) 2005-2022 Free Software Foundation, Inc.
+   Copyright (C) 2005-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/bsearch.c b/stdlib/bsearch.c
index a6d7e8ae1f..bcdc7da9f1 100644
--- a/stdlib/bsearch.c
+++ b/stdlib/bsearch.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/bug-strtod.c b/stdlib/bug-strtod.c
index 069fb34238..c430a8d09a 100644
--- a/stdlib/bug-strtod.c
+++ b/stdlib/bug-strtod.c
@@ -1,6 +1,6 @@
 /* Test to strtod etc for numbers like x000...0000.000e-nn.
    This file is part of the GNU C Library.
-   Copyright (C) 2001-2022 Free Software Foundation, Inc.
+   Copyright (C) 2001-2023 Free Software Foundation, Inc.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/stdlib/canonicalize.c b/stdlib/canonicalize.c
index 54dfac454c..78beeef063 100644
--- a/stdlib/canonicalize.c
+++ b/stdlib/canonicalize.c
@@ -1,5 +1,5 @@
 /* Return the canonical absolute name of a given file.
-   Copyright (C) 1996-2022 Free Software Foundation, Inc.
+   Copyright (C) 1996-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/cmp.c b/stdlib/cmp.c
index 18187cc8a9..9a5e81cbe5 100644
--- a/stdlib/cmp.c
+++ b/stdlib/cmp.c
@@ -1,6 +1,6 @@
 /* mpn_cmp -- Compare two low-level natural-number integers.
 
-Copyright (C) 1991-2022 Free Software Foundation, Inc.
+Copyright (C) 1991-2023 Free Software Foundation, Inc.
 
 This file is part of the GNU MP Library.
 
diff --git a/stdlib/cxa_at_quick_exit.c b/stdlib/cxa_at_quick_exit.c
index e453a968b3..2445be3bb7 100644
--- a/stdlib/cxa_at_quick_exit.c
+++ b/stdlib/cxa_at_quick_exit.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2009-2022 Free Software Foundation, Inc.
+/* Copyright (C) 2009-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/cxa_atexit.c b/stdlib/cxa_atexit.c
index fad2d2b4e0..0451716230 100644
--- a/stdlib/cxa_atexit.c
+++ b/stdlib/cxa_atexit.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1999-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/cxa_finalize.c b/stdlib/cxa_finalize.c
index 1958c28801..f5d3b6d0dc 100644
--- a/stdlib/cxa_finalize.c
+++ b/stdlib/cxa_finalize.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1999-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/cxa_thread_atexit_impl.c b/stdlib/cxa_thread_atexit_impl.c
index b5ecfee10c..9bd2ad2158 100644
--- a/stdlib/cxa_thread_atexit_impl.c
+++ b/stdlib/cxa_thread_atexit_impl.c
@@ -1,5 +1,5 @@
 /* Register destructors for C++ TLS variables declared with thread_local.
-   Copyright (C) 2013-2022 Free Software Foundation, Inc.
+   Copyright (C) 2013-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/dbl2mpn.c b/stdlib/dbl2mpn.c
index f8a23a4906..8255d5c70c 100644
--- a/stdlib/dbl2mpn.c
+++ b/stdlib/dbl2mpn.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1993-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1993-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/div.c b/stdlib/div.c
index 7ec9c58a01..5904ab4be0 100644
--- a/stdlib/div.c
+++ b/stdlib/div.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/divmod_1.c b/stdlib/divmod_1.c
index ee79840e98..f2bab80643 100644
--- a/stdlib/divmod_1.c
+++ b/stdlib/divmod_1.c
@@ -6,7 +6,7 @@
 
    QUOT_PTR and DIVIDEND_PTR might point to the same limb.
 
-Copyright (C) 1991-2022 Free Software Foundation, Inc.
+Copyright (C) 1991-2023 Free Software Foundation, Inc.
 
 This file is part of the GNU MP Library.
 
diff --git a/stdlib/divrem.c b/stdlib/divrem.c
index 2244279774..b316c280ea 100644
--- a/stdlib/divrem.c
+++ b/stdlib/divrem.c
@@ -1,7 +1,7 @@
 /* mpn_divrem -- Divide natural numbers, producing both remainder and
    quotient.
 
-Copyright (C) 1993-2022 Free Software Foundation, Inc.
+Copyright (C) 1993-2023 Free Software Foundation, Inc.
 
 This file is part of the GNU MP Library.
 
diff --git a/stdlib/drand48-iter.c b/stdlib/drand48-iter.c
index 879bfe2d07..f7a856854c 100644
--- a/stdlib/drand48-iter.c
+++ b/stdlib/drand48-iter.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/drand48.c b/stdlib/drand48.c
index 64fcaa3bfb..482515dc7f 100644
--- a/stdlib/drand48.c
+++ b/stdlib/drand48.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/drand48_r.c b/stdlib/drand48_r.c
index 2de7e3028c..6eb3601059 100644
--- a/stdlib/drand48_r.c
+++ b/stdlib/drand48_r.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/erand48.c b/stdlib/erand48.c
index b222c3c40c..c851ffea56 100644
--- a/stdlib/erand48.c
+++ b/stdlib/erand48.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/erand48_r.c b/stdlib/erand48_r.c
index a53ecb81c6..c7dae3e25f 100644
--- a/stdlib/erand48_r.c
+++ b/stdlib/erand48_r.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/errno.h b/stdlib/errno.h
index c63d16e62b..d15d890d85 100644
--- a/stdlib/errno.h
+++ b/stdlib/errno.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/exit.c b/stdlib/exit.c
index 98579fbda8..6b1eed6445 100644
--- a/stdlib/exit.c
+++ b/stdlib/exit.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/exit.h b/stdlib/exit.h
index a4979dbd5d..23cfb8fd95 100644
--- a/stdlib/exit.h
+++ b/stdlib/exit.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/fmtmsg.c b/stdlib/fmtmsg.c
index 787a263d63..b631ef3d01 100644
--- a/stdlib/fmtmsg.c
+++ b/stdlib/fmtmsg.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/fmtmsg.h b/stdlib/fmtmsg.h
index be27b8e9fb..58de2c1ffa 100644
--- a/stdlib/fmtmsg.h
+++ b/stdlib/fmtmsg.h
@@ -1,5 +1,5 @@
 /* Message display handling.
-   Copyright (C) 1997-2022 Free Software Foundation, Inc.
+   Copyright (C) 1997-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/fpioconst.c b/stdlib/fpioconst.c
index bb9d96cefc..e26494375b 100644
--- a/stdlib/fpioconst.c
+++ b/stdlib/fpioconst.c
@@ -1,5 +1,5 @@
 /* Table of MP integer constants 10^(2^i), used for floating point <-> decimal.
-   Copyright (C) 1995-2022 Free Software Foundation, Inc.
+   Copyright (C) 1995-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/fpioconst.h b/stdlib/fpioconst.h
index 3e185f5751..2d5e8cdf4f 100644
--- a/stdlib/fpioconst.h
+++ b/stdlib/fpioconst.h
@@ -1,5 +1,5 @@
 /* Header file for constants used in floating point <-> decimal conversions.
-   Copyright (C) 1995-2022 Free Software Foundation, Inc.
+   Copyright (C) 1995-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/gen-fpioconst.c b/stdlib/gen-fpioconst.c
index 2560ae83e3..94674e7845 100644
--- a/stdlib/gen-fpioconst.c
+++ b/stdlib/gen-fpioconst.c
@@ -1,5 +1,5 @@
 /* Generate data for fpioconst.c.
-   Copyright (C) 2012-2022 Free Software Foundation, Inc.
+   Copyright (C) 2012-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/gen-tst-strtod-round.c b/stdlib/gen-tst-strtod-round.c
index 91f0e16efb..954b102c55 100644
--- a/stdlib/gen-tst-strtod-round.c
+++ b/stdlib/gen-tst-strtod-round.c
@@ -1,6 +1,6 @@
 /* Generate table of tests in tst-strtod-round.c from
    tst-strtod-round-data.
-   Copyright (C) 2012-2022 Free Software Foundation, Inc.
+   Copyright (C) 2012-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/getcontext.c b/stdlib/getcontext.c
index 2183f102a1..4536055032 100644
--- a/stdlib/getcontext.c
+++ b/stdlib/getcontext.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1998-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/getentropy.c b/stdlib/getentropy.c
index cca88a3ced..cb70d0f457 100644
--- a/stdlib/getentropy.c
+++ b/stdlib/getentropy.c
@@ -1,5 +1,5 @@
 /* Stub for getentropy.
-   Copyright (C) 2016-2022 Free Software Foundation, Inc.
+   Copyright (C) 2016-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/getenv.c b/stdlib/getenv.c
index f610d936b4..e3157ce2f3 100644
--- a/stdlib/getenv.c
+++ b/stdlib/getenv.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/getrandom.c b/stdlib/getrandom.c
index b1dac012f5..145ff0ffea 100644
--- a/stdlib/getrandom.c
+++ b/stdlib/getrandom.c
@@ -1,5 +1,5 @@
 /* Stub for getrandom.
-   Copyright (C) 2016-2022 Free Software Foundation, Inc.
+   Copyright (C) 2016-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/getsubopt.c b/stdlib/getsubopt.c
index 468add0945..0f02dda9e2 100644
--- a/stdlib/getsubopt.c
+++ b/stdlib/getsubopt.c
@@ -1,5 +1,5 @@
 /* Parse comma separate list into words.
-   Copyright (C) 1996-2022 Free Software Foundation, Inc.
+   Copyright (C) 1996-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
 
diff --git a/stdlib/gmp-impl.h b/stdlib/gmp-impl.h
index 1c20375392..1c32bd26b1 100644
--- a/stdlib/gmp-impl.h
+++ b/stdlib/gmp-impl.h
@@ -1,6 +1,6 @@
 /* Include file for internal GNU MP types and definitions.
 
-Copyright (C) 1991-2022 Free Software Foundation, Inc.
+Copyright (C) 1991-2023 Free Software Foundation, Inc.
 
 This file is part of the GNU MP Library.
 
diff --git a/stdlib/gmp.h b/stdlib/gmp.h
index 32781c27d0..2adbfde24a 100644
--- a/stdlib/gmp.h
+++ b/stdlib/gmp.h
@@ -1,6 +1,6 @@
 /* gmp.h -- Definitions for GNU multiple precision functions.
 
-Copyright (C) 1991-2022 Free Software Foundation, Inc.
+Copyright (C) 1991-2023 Free Software Foundation, Inc.
 
 This file is part of the GNU MP Library.
 
diff --git a/stdlib/grouping.c b/stdlib/grouping.c
index 06cbe7b9c7..b6bf1dbab2 100644
--- a/stdlib/grouping.c
+++ b/stdlib/grouping.c
@@ -1,5 +1,5 @@
 /* Internal header for proving correct grouping in strings of numbers.
-   Copyright (C) 1995-2022 Free Software Foundation, Inc.
+   Copyright (C) 1995-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/grouping.h b/stdlib/grouping.h
index 59bca2c6bb..3b7656e41e 100644
--- a/stdlib/grouping.h
+++ b/stdlib/grouping.h
@@ -1,5 +1,5 @@
 /* Internal header for proving correct grouping in strings of numbers.
-   Copyright (C) 1995-2022 Free Software Foundation, Inc.
+   Copyright (C) 1995-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/inttypes.h b/stdlib/inttypes.h
index d550769f2a..791c8e853f 100644
--- a/stdlib/inttypes.h
+++ b/stdlib/inttypes.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/isomac.c b/stdlib/isomac.c
index 73848e3430..3a6009d988 100644
--- a/stdlib/isomac.c
+++ b/stdlib/isomac.c
@@ -1,5 +1,5 @@
 /* Check system header files for ISO 9899:1990 (ISO C) compliance.
-   Copyright (C) 1996-2022 Free Software Foundation, Inc.
+   Copyright (C) 1996-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/jrand48.c b/stdlib/jrand48.c
index 81da020b81..646b401fa6 100644
--- a/stdlib/jrand48.c
+++ b/stdlib/jrand48.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/jrand48_r.c b/stdlib/jrand48_r.c
index 98183fe85d..c6f147f0a5 100644
--- a/stdlib/jrand48_r.c
+++ b/stdlib/jrand48_r.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/l64a.c b/stdlib/l64a.c
index 4443a1997c..5fd93cf7ae 100644
--- a/stdlib/l64a.c
+++ b/stdlib/l64a.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/labs.c b/stdlib/labs.c
index 67438ab222..6842d3bfd1 100644
--- a/stdlib/labs.c
+++ b/stdlib/labs.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/lcong48.c b/stdlib/lcong48.c
index 0521dcc910..c067ef0cad 100644
--- a/stdlib/lcong48.c
+++ b/stdlib/lcong48.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/lcong48_r.c b/stdlib/lcong48_r.c
index cfac40ecbf..8639bc054c 100644
--- a/stdlib/lcong48_r.c
+++ b/stdlib/lcong48_r.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/ldiv.c b/stdlib/ldiv.c
index 32bbe548e4..fa1edf9f91 100644
--- a/stdlib/ldiv.c
+++ b/stdlib/ldiv.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/llabs.c b/stdlib/llabs.c
index 7d9a87fd1b..80fd94a2fb 100644
--- a/stdlib/llabs.c
+++ b/stdlib/llabs.c
@@ -1,5 +1,5 @@
 /* `long long int' absolute value.
-   Copyright (C) 1991-2022 Free Software Foundation, Inc.
+   Copyright (C) 1991-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/lldiv.c b/stdlib/lldiv.c
index c2010b69a3..f00d1599db 100644
--- a/stdlib/lldiv.c
+++ b/stdlib/lldiv.c
@@ -1,5 +1,5 @@
 /* `long long int' divison with remainder.
-   Copyright (C) 1992-2022 Free Software Foundation, Inc.
+   Copyright (C) 1992-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/longlong.h b/stdlib/longlong.h
index d8f76a43b5..fa1687f5f3 100644
--- a/stdlib/longlong.h
+++ b/stdlib/longlong.h
@@ -1,5 +1,5 @@
 /* longlong.h -- definitions for mixed size 32/64 bit arithmetic.
-   Copyright (C) 1991-2022 Free Software Foundation, Inc.
+   Copyright (C) 1991-2023 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
diff --git a/stdlib/lrand48.c b/stdlib/lrand48.c
index 46156b90e1..858041868d 100644
--- a/stdlib/lrand48.c
+++ b/stdlib/lrand48.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/lrand48_r.c b/stdlib/lrand48_r.c
index 5767e7f8e6..fbcb1cc416 100644
--- a/stdlib/lrand48_r.c
+++ b/stdlib/lrand48_r.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/lshift.c b/stdlib/lshift.c
index c7abb8f42b..74b079f9ae 100644
--- a/stdlib/lshift.c
+++ b/stdlib/lshift.c
@@ -1,6 +1,6 @@
 /* mpn_lshift -- Shift left low level.
 
-Copyright (C) 1991-2022 Free Software Foundation, Inc.
+Copyright (C) 1991-2023 Free Software Foundation, Inc.
 
 This file is part of the GNU MP Library.
 
diff --git a/stdlib/makecontext.c b/stdlib/makecontext.c
index 7df5adc2ba..1a325a2e0f 100644
--- a/stdlib/makecontext.c
+++ b/stdlib/makecontext.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1998-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/mblen.c b/stdlib/mblen.c
index 2af50deef6..823c19576f 100644
--- a/stdlib/mblen.c
+++ b/stdlib/mblen.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/mbstowcs.c b/stdlib/mbstowcs.c
index cd9fcfc6e1..17d2a9f1fd 100644
--- a/stdlib/mbstowcs.c
+++ b/stdlib/mbstowcs.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/mbtowc.c b/stdlib/mbtowc.c
index 18abbcb1f4..0f9b215985 100644
--- a/stdlib/mbtowc.c
+++ b/stdlib/mbtowc.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/mod_1.c b/stdlib/mod_1.c
index a0bbd32c49..37eab9e80d 100644
--- a/stdlib/mod_1.c
+++ b/stdlib/mod_1.c
@@ -3,7 +3,7 @@
    Return the single-limb remainder.
    There are no constraints on the value of the divisor.
 
-Copyright (C) 1991-2022 Free Software Foundation, Inc.
+Copyright (C) 1991-2023 Free Software Foundation, Inc.
 
 This file is part of the GNU MP Library.
 
diff --git a/stdlib/monetary.h b/stdlib/monetary.h
index 0a90814486..ed8ca2af38 100644
--- a/stdlib/monetary.h
+++ b/stdlib/monetary.h
@@ -1,5 +1,5 @@
 /* Header file for monetary value formatting functions.
-   Copyright (C) 1996-2022 Free Software Foundation, Inc.
+   Copyright (C) 1996-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/mp_clz_tab.c b/stdlib/mp_clz_tab.c
index 59c99dc23f..6aeace4629 100644
--- a/stdlib/mp_clz_tab.c
+++ b/stdlib/mp_clz_tab.c
@@ -1,5 +1,5 @@
 /* __clz_tab -- support for longlong.h
-   Copyright (C) 1991-2022 Free Software Foundation, Inc.
+   Copyright (C) 1991-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.  Its master source is NOT part of
    the C library, however.  The master source lives in the GNU MP Library.
 
diff --git a/stdlib/mpn2dbl.c b/stdlib/mpn2dbl.c
index e613ded4e1..ee61649476 100644
--- a/stdlib/mpn2dbl.c
+++ b/stdlib/mpn2dbl.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/mpn2flt.c b/stdlib/mpn2flt.c
index bd7ecf33b7..4a9da06c90 100644
--- a/stdlib/mpn2flt.c
+++ b/stdlib/mpn2flt.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/mrand48.c b/stdlib/mrand48.c
index 480450a148..ec2b1f9c34 100644
--- a/stdlib/mrand48.c
+++ b/stdlib/mrand48.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/mrand48_r.c b/stdlib/mrand48_r.c
index 77b7e697dd..c510d8c685 100644
--- a/stdlib/mrand48_r.c
+++ b/stdlib/mrand48_r.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/msort.c b/stdlib/msort.c
index cbe9a4a8fd..6dd1cc3aa1 100644
--- a/stdlib/msort.c
+++ b/stdlib/msort.c
@@ -1,6 +1,6 @@
 /* An alternative to qsort, with an identical interface.
    This file is part of the GNU C Library.
-   Copyright (C) 1992-2022 Free Software Foundation, Inc.
+   Copyright (C) 1992-2023 Free Software Foundation, Inc.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/stdlib/mul.c b/stdlib/mul.c
index a3ad9f1dfa..ecf47524e5 100644
--- a/stdlib/mul.c
+++ b/stdlib/mul.c
@@ -1,6 +1,6 @@
 /* mpn_mul -- Multiply two natural numbers.
 
-Copyright (C) 1991-2022 Free Software Foundation, Inc.
+Copyright (C) 1991-2023 Free Software Foundation, Inc.
 
 This file is part of the GNU MP Library.
 
diff --git a/stdlib/mul_1.c b/stdlib/mul_1.c
index f6387a9937..81e5796431 100644
--- a/stdlib/mul_1.c
+++ b/stdlib/mul_1.c
@@ -1,7 +1,7 @@
 /* mpn_mul_1 -- Multiply a limb vector with a single limb and
    store the product in a second limb vector.
 
-Copyright (C) 1991-2022 Free Software Foundation, Inc.
+Copyright (C) 1991-2023 Free Software Foundation, Inc.
 
 This file is part of the GNU MP Library.
 
diff --git a/stdlib/mul_n.c b/stdlib/mul_n.c
index 38c4785225..34dc87eee0 100644
--- a/stdlib/mul_n.c
+++ b/stdlib/mul_n.c
@@ -1,6 +1,6 @@
 /* mpn_mul_n -- Multiply two natural numbers of length n.
 
-Copyright (C) 1991-2022 Free Software Foundation, Inc.
+Copyright (C) 1991-2023 Free Software Foundation, Inc.
 
 This file is part of the GNU MP Library.
 
diff --git a/stdlib/nrand48.c b/stdlib/nrand48.c
index 17e2e63aad..e0aebf1dc1 100644
--- a/stdlib/nrand48.c
+++ b/stdlib/nrand48.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/nrand48_r.c b/stdlib/nrand48_r.c
index 52c6ce85b2..0def0d0e19 100644
--- a/stdlib/nrand48_r.c
+++ b/stdlib/nrand48_r.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/on_exit.c b/stdlib/on_exit.c
index 2ac70e18bd..f5e3fbcb9b 100644
--- a/stdlib/on_exit.c
+++ b/stdlib/on_exit.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/putenv.c b/stdlib/putenv.c
index 0118fd62c9..8b4e9117c8 100644
--- a/stdlib/putenv.c
+++ b/stdlib/putenv.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/qsort.c b/stdlib/qsort.c
index 9599d2bd57..728a0ed370 100644
--- a/stdlib/qsort.c
+++ b/stdlib/qsort.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/quick_exit.c b/stdlib/quick_exit.c
index 2fbc63b245..838d465893 100644
--- a/stdlib/quick_exit.c
+++ b/stdlib/quick_exit.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2009-2022 Free Software Foundation, Inc.
+/* Copyright (C) 2009-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/rand.c b/stdlib/rand.c
index 9c90e77af5..c250c065e4 100644
--- a/stdlib/rand.c
+++ b/stdlib/rand.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/rand_r.c b/stdlib/rand_r.c
index 50bec5deb3..cb7e306eec 100644
--- a/stdlib/rand_r.c
+++ b/stdlib/rand_r.c
@@ -1,5 +1,5 @@
 /* Reentrant random function from POSIX.1c.
-   Copyright (C) 1996-2022 Free Software Foundation, Inc.
+   Copyright (C) 1996-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/random.c b/stdlib/random.c
index 1ea7eed06c..62f22fac8d 100644
--- a/stdlib/random.c
+++ b/stdlib/random.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2023 Free Software Foundation, Inc.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/stdlib/random_r.c b/stdlib/random_r.c
index e4db7adf9f..fa0e1d3689 100644
--- a/stdlib/random_r.c
+++ b/stdlib/random_r.c
@@ -1,5 +1,5 @@
 /*
-   Copyright (C) 1995-2022 Free Software Foundation, Inc.
+   Copyright (C) 1995-2023 Free Software Foundation, Inc.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/stdlib/rpmatch.c b/stdlib/rpmatch.c
index d8d297c135..91e3eeb8f8 100644
--- a/stdlib/rpmatch.c
+++ b/stdlib/rpmatch.c
@@ -1,7 +1,7 @@
 /* Determine whether string value is affirmation or negative response
    according to current locale's data.
    This file is part of the GNU C Library.
-   Copyright (C) 1996-2022 Free Software Foundation, Inc.
+   Copyright (C) 1996-2023 Free Software Foundation, Inc.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/stdlib/rshift.c b/stdlib/rshift.c
index 845a59cac8..595051aa0b 100644
--- a/stdlib/rshift.c
+++ b/stdlib/rshift.c
@@ -1,6 +1,6 @@
 /* mpn_rshift -- Shift right a low-level natural-number integer.
 
-Copyright (C) 1991-2022 Free Software Foundation, Inc.
+Copyright (C) 1991-2023 Free Software Foundation, Inc.
 
 This file is part of the GNU MP Library.
 
diff --git a/stdlib/secure-getenv.c b/stdlib/secure-getenv.c
index 893556b782..1c1ff68aa6 100644
--- a/stdlib/secure-getenv.c
+++ b/stdlib/secure-getenv.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/seed48.c b/stdlib/seed48.c
index 0f01093e50..d4efa6b091 100644
--- a/stdlib/seed48.c
+++ b/stdlib/seed48.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/seed48_r.c b/stdlib/seed48_r.c
index d1ff973e46..3f13fc122e 100644
--- a/stdlib/seed48_r.c
+++ b/stdlib/seed48_r.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/setcontext.c b/stdlib/setcontext.c
index 0ae360abfc..48c4c2ec25 100644
--- a/stdlib/setcontext.c
+++ b/stdlib/setcontext.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1998-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/setenv.c b/stdlib/setenv.c
index 2176cbac31..2fa9e41e31 100644
--- a/stdlib/setenv.c
+++ b/stdlib/setenv.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/srand48.c b/stdlib/srand48.c
index 9582dc0b28..46505bc987 100644
--- a/stdlib/srand48.c
+++ b/stdlib/srand48.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/srand48_r.c b/stdlib/srand48_r.c
index fef8036346..4fe2402396 100644
--- a/stdlib/srand48_r.c
+++ b/stdlib/srand48_r.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/stdint.h b/stdlib/stdint.h
index 2d666f79fd..165a201ada 100644
--- a/stdlib/stdint.h
+++ b/stdlib/stdint.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/stdlib.h b/stdlib/stdlib.h
index 3a630a0ce8..e2c8ffb32b 100644
--- a/stdlib/stdlib.h
+++ b/stdlib/stdlib.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2023 Free Software Foundation, Inc.
    Copyright The GNU Toolchain Authors.
    This file is part of the GNU C Library.
 
diff --git a/stdlib/strfmon.c b/stdlib/strfmon.c
index 3a23688802..518e63f8fc 100644
--- a/stdlib/strfmon.c
+++ b/stdlib/strfmon.c
@@ -1,5 +1,5 @@
 /* Formatting a monetary value according to the current locale.
-   Copyright (C) 1996-2022 Free Software Foundation, Inc.
+   Copyright (C) 1996-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/strfmon_l.c b/stdlib/strfmon_l.c
index 6dc36e07cc..620dc1a488 100644
--- a/stdlib/strfmon_l.c
+++ b/stdlib/strfmon_l.c
@@ -1,5 +1,5 @@
 /* Formatting a monetary value according to the given locale.
-   Copyright (C) 1996-2022 Free Software Foundation, Inc.
+   Copyright (C) 1996-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/strfrom-skeleton.c b/stdlib/strfrom-skeleton.c
index 810eb315d0..0495135fd6 100644
--- a/stdlib/strfrom-skeleton.c
+++ b/stdlib/strfrom-skeleton.c
@@ -1,5 +1,5 @@
 /* Convert a floating-point number to string.
-   Copyright (C) 2016-2022 Free Software Foundation, Inc.
+   Copyright (C) 2016-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/strfromd.c b/stdlib/strfromd.c
index 4a5cd24110..9be8a4bf78 100644
--- a/stdlib/strfromd.c
+++ b/stdlib/strfromd.c
@@ -1,5 +1,5 @@
 /* Definitions for strfromd.  Implementation in stdlib/strfrom-skeleton.c.
-   Copyright (C) 2016-2022 Free Software Foundation, Inc.
+   Copyright (C) 2016-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/strfromf.c b/stdlib/strfromf.c
index 2b774a9b76..570d00716e 100644
--- a/stdlib/strfromf.c
+++ b/stdlib/strfromf.c
@@ -1,5 +1,5 @@
 /* Definitions for strfromf.  Implementation in stdlib/strfrom-skeleton.c.
-   Copyright (C) 2016-2022 Free Software Foundation, Inc.
+   Copyright (C) 2016-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/strfroml.c b/stdlib/strfroml.c
index 0d5586a0f0..511aef88b7 100644
--- a/stdlib/strfroml.c
+++ b/stdlib/strfroml.c
@@ -1,5 +1,5 @@
 /* Definitions for strfroml.  Implementation in stdlib/strfrom-skeleton.c.
-   Copyright (C) 2016-2022 Free Software Foundation, Inc.
+   Copyright (C) 2016-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/strtod.c b/stdlib/strtod.c
index 98794f22da..1797412d15 100644
--- a/stdlib/strtod.c
+++ b/stdlib/strtod.c
@@ -1,6 +1,6 @@
 /* Read decimal floating point numbers.
    This file is part of the GNU C Library.
-   Copyright (C) 1995-2022 Free Software Foundation, Inc.
+   Copyright (C) 1995-2023 Free Software Foundation, Inc.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/stdlib/strtod_l.c b/stdlib/strtod_l.c
index 3ebb491e22..c5cbb39dff 100644
--- a/stdlib/strtod_l.c
+++ b/stdlib/strtod_l.c
@@ -1,5 +1,5 @@
 /* Convert string representing a number to float value, using given locale.
-   Copyright (C) 1997-2022 Free Software Foundation, Inc.
+   Copyright (C) 1997-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/strtod_nan.c b/stdlib/strtod_nan.c
index eb36432502..4268ba23d5 100644
--- a/stdlib/strtod_nan.c
+++ b/stdlib/strtod_nan.c
@@ -1,6 +1,6 @@
 /* Convert string for NaN payload to corresponding NaN.  Narrow
    strings, double.
-   Copyright (C) 2015-2022 Free Software Foundation, Inc.
+   Copyright (C) 2015-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/strtod_nan_main.c b/stdlib/strtod_nan_main.c
index abde7141c2..66d4156437 100644
--- a/stdlib/strtod_nan_main.c
+++ b/stdlib/strtod_nan_main.c
@@ -1,5 +1,5 @@
 /* Convert string for NaN payload to corresponding NaN.
-   Copyright (C) 1997-2022 Free Software Foundation, Inc.
+   Copyright (C) 1997-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/strtod_nan_narrow.h b/stdlib/strtod_nan_narrow.h
index 3d4aac5497..81880ac0f6 100644
--- a/stdlib/strtod_nan_narrow.h
+++ b/stdlib/strtod_nan_narrow.h
@@ -1,5 +1,5 @@
 /* Convert string for NaN payload to corresponding NaN.  Narrow strings.
-   Copyright (C) 1997-2022 Free Software Foundation, Inc.
+   Copyright (C) 1997-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/strtod_nan_wide.h b/stdlib/strtod_nan_wide.h
index c06e91afa2..be70cf004a 100644
--- a/stdlib/strtod_nan_wide.h
+++ b/stdlib/strtod_nan_wide.h
@@ -1,5 +1,5 @@
 /* Convert string for NaN payload to corresponding NaN.  Wide strings.
-   Copyright (C) 1997-2022 Free Software Foundation, Inc.
+   Copyright (C) 1997-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/strtof.c b/stdlib/strtof.c
index 2620efb0e6..513bf9375e 100644
--- a/stdlib/strtof.c
+++ b/stdlib/strtof.c
@@ -1,6 +1,6 @@
 /* Read decimal floating point numbers.
    This file is part of the GNU C Library.
-   Copyright (C) 1995-2022 Free Software Foundation, Inc.
+   Copyright (C) 1995-2023 Free Software Foundation, Inc.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/stdlib/strtof_l.c b/stdlib/strtof_l.c
index 44cb811c36..d71c0335db 100644
--- a/stdlib/strtof_l.c
+++ b/stdlib/strtof_l.c
@@ -1,5 +1,5 @@
 /* Convert string representing a number to float value, using given locale.
-   Copyright (C) 1997-2022 Free Software Foundation, Inc.
+   Copyright (C) 1997-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/strtof_nan.c b/stdlib/strtof_nan.c
index c1ee574c7f..acdc5bc74f 100644
--- a/stdlib/strtof_nan.c
+++ b/stdlib/strtof_nan.c
@@ -1,6 +1,6 @@
 /* Convert string for NaN payload to corresponding NaN.  Narrow
    strings, float.
-   Copyright (C) 2015-2022 Free Software Foundation, Inc.
+   Copyright (C) 2015-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/strtol.c b/stdlib/strtol.c
index be7719f493..b250903388 100644
--- a/stdlib/strtol.c
+++ b/stdlib/strtol.c
@@ -1,5 +1,5 @@
 /* Convert string representation of a number into an integer value.
-   Copyright (C) 1991-2022 Free Software Foundation, Inc.
+   Copyright (C) 1991-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/strtol_l.c b/stdlib/strtol_l.c
index 3e310e91fb..edbade179b 100644
--- a/stdlib/strtol_l.c
+++ b/stdlib/strtol_l.c
@@ -1,5 +1,5 @@
 /* Convert string representing a number to integer value, using given locale.
-   Copyright (C) 1997-2022 Free Software Foundation, Inc.
+   Copyright (C) 1997-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/strtold.c b/stdlib/strtold.c
index a03620e308..678890caba 100644
--- a/stdlib/strtold.c
+++ b/stdlib/strtold.c
@@ -1,6 +1,6 @@
 /* Read decimal floating point numbers.
    This file is part of the GNU C Library.
-   Copyright (C) 1995-2022 Free Software Foundation, Inc.
+   Copyright (C) 1995-2023 Free Software Foundation, Inc.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/stdlib/strtold_l.c b/stdlib/strtold_l.c
index 0622f830a7..1c1e6dfd0c 100644
--- a/stdlib/strtold_l.c
+++ b/stdlib/strtold_l.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1999-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/strtold_nan.c b/stdlib/strtold_nan.c
index e026eeed19..8fc04bb3ab 100644
--- a/stdlib/strtold_nan.c
+++ b/stdlib/strtold_nan.c
@@ -1,6 +1,6 @@
 /* Convert string for NaN payload to corresponding NaN.  Narrow
    strings, long double.
-   Copyright (C) 2015-2022 Free Software Foundation, Inc.
+   Copyright (C) 2015-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/strtoll.c b/stdlib/strtoll.c
index ad1bce12d6..a273ca43df 100644
--- a/stdlib/strtoll.c
+++ b/stdlib/strtoll.c
@@ -1,5 +1,5 @@
 /* Function to parse a `long long int' from text.
-   Copyright (C) 1995-2022 Free Software Foundation, Inc.
+   Copyright (C) 1995-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/strtoll_l.c b/stdlib/strtoll_l.c
index 310497f523..32ceda0456 100644
--- a/stdlib/strtoll_l.c
+++ b/stdlib/strtoll_l.c
@@ -1,5 +1,5 @@
 /* Convert string representing a number to integer value, using given locale.
-   Copyright (C) 1997-2022 Free Software Foundation, Inc.
+   Copyright (C) 1997-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/strtoul.c b/stdlib/strtoul.c
index 099b49696f..a0130c704b 100644
--- a/stdlib/strtoul.c
+++ b/stdlib/strtoul.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/strtoul_l.c b/stdlib/strtoul_l.c
index 29c075d7eb..f1bd050101 100644
--- a/stdlib/strtoul_l.c
+++ b/stdlib/strtoul_l.c
@@ -1,5 +1,5 @@
 /* Convert string representing a number to integer value, using given locale.
-   Copyright (C) 1997-2022 Free Software Foundation, Inc.
+   Copyright (C) 1997-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/strtoull.c b/stdlib/strtoull.c
index 20e97a0a56..51859dbd1e 100644
--- a/stdlib/strtoull.c
+++ b/stdlib/strtoull.c
@@ -1,5 +1,5 @@
 /* Function to parse an `unsigned long long int' from text.
-   Copyright (C) 1995-2022 Free Software Foundation, Inc.
+   Copyright (C) 1995-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/strtoull_l.c b/stdlib/strtoull_l.c
index c680d629d3..ef102ddf16 100644
--- a/stdlib/strtoull_l.c
+++ b/stdlib/strtoull_l.c
@@ -1,5 +1,5 @@
 /* Convert string representing a number to integer value, using given locale.
-   Copyright (C) 1997-2022 Free Software Foundation, Inc.
+   Copyright (C) 1997-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/sub_n.c b/stdlib/sub_n.c
index 6ee39b3ee6..9b2dd21249 100644
--- a/stdlib/sub_n.c
+++ b/stdlib/sub_n.c
@@ -1,6 +1,6 @@
 /* mpn_sub_n -- Subtract two limb vectors of equal, non-zero length.
 
-Copyright (C) 1992-2022 Free Software Foundation, Inc.
+Copyright (C) 1992-2023 Free Software Foundation, Inc.
 
 This file is part of the GNU MP Library.
 
diff --git a/stdlib/submul_1.c b/stdlib/submul_1.c
index 914cbf500d..cf0ed7d78f 100644
--- a/stdlib/submul_1.c
+++ b/stdlib/submul_1.c
@@ -3,7 +3,7 @@
    from the limb vector pointed to by RES_PTR.  Return the most significant
    limb of the product, adjusted for carry-out from the subtraction.
 
-Copyright (C) 1992-2022 Free Software Foundation, Inc.
+Copyright (C) 1992-2023 Free Software Foundation, Inc.
 
 This file is part of the GNU MP Library.
 
diff --git a/stdlib/swapcontext.c b/stdlib/swapcontext.c
index d458b05332..e2686b0c4e 100644
--- a/stdlib/swapcontext.c
+++ b/stdlib/swapcontext.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1998-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/sys/random.h b/stdlib/sys/random.h
index 8c2ef9ca81..1cb1efbb64 100644
--- a/stdlib/sys/random.h
+++ b/stdlib/sys/random.h
@@ -1,5 +1,5 @@
 /* Interfaces for obtaining random bytes.
-   Copyright (C) 2016-2022 Free Software Foundation, Inc.
+   Copyright (C) 2016-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/system.c b/stdlib/system.c
index 62d67a1eb0..faf82807c4 100644
--- a/stdlib/system.c
+++ b/stdlib/system.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/test-a64l.c b/stdlib/test-a64l.c
index f845df3d7d..0a84f1959e 100644
--- a/stdlib/test-a64l.c
+++ b/stdlib/test-a64l.c
@@ -1,5 +1,5 @@
 /* Test program for the l64a and a64l functions.
-   Copyright (C) 2001-2022 Free Software Foundation, Inc.
+   Copyright (C) 2001-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/test-at_quick_exit-race.c b/stdlib/test-at_quick_exit-race.c
index 7a329b3f23..d362d7b171 100644
--- a/stdlib/test-at_quick_exit-race.c
+++ b/stdlib/test-at_quick_exit-race.c
@@ -1,6 +1,6 @@
 /* Bug 14333: a test for at_quick_exit/quick_exit race.
 
-   Copyright (C) 2017-2022 Free Software Foundation, Inc.
+   Copyright (C) 2017-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/test-atexit-race-common.c b/stdlib/test-atexit-race-common.c
index 2770a33fe8..63863b8efd 100644
--- a/stdlib/test-atexit-race-common.c
+++ b/stdlib/test-atexit-race-common.c
@@ -1,5 +1,5 @@
 /* Bug 14333: Support file for atexit/exit, etc. race tests.
-   Copyright (C) 2017-2022 Free Software Foundation, Inc.
+   Copyright (C) 2017-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/test-atexit-race.c b/stdlib/test-atexit-race.c
index 35c72f88b7..1bfdeb32bb 100644
--- a/stdlib/test-atexit-race.c
+++ b/stdlib/test-atexit-race.c
@@ -1,5 +1,5 @@
 /* Bug 14333: a test for atexit/exit race.
-   Copyright (C) 2017-2022 Free Software Foundation, Inc.
+   Copyright (C) 2017-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/test-bz22786.c b/stdlib/test-bz22786.c
index 5736efb999..729a5ac09c 100644
--- a/stdlib/test-bz22786.c
+++ b/stdlib/test-bz22786.c
@@ -1,5 +1,5 @@
 /* Bug 22786: test for buffer overflow in realpath.
-   Copyright (C) 2018-2022 Free Software Foundation, Inc.
+   Copyright (C) 2018-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/test-canon.c b/stdlib/test-canon.c
index a9c83be17c..4edee73dd8 100644
--- a/stdlib/test-canon.c
+++ b/stdlib/test-canon.c
@@ -1,5 +1,5 @@
 /* Test program for returning the canonical absolute name of a given file.
-   Copyright (C) 1996-2022 Free Software Foundation, Inc.
+   Copyright (C) 1996-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/test-canon2.c b/stdlib/test-canon2.c
index 7944404afc..e45cc3a716 100644
--- a/stdlib/test-canon2.c
+++ b/stdlib/test-canon2.c
@@ -1,5 +1,5 @@
 /* Test for realpath/canonicalize function.
-   Copyright (C) 1998-2022 Free Software Foundation, Inc.
+   Copyright (C) 1998-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/test-cxa_atexit-race.c b/stdlib/test-cxa_atexit-race.c
index c69ddd9bd5..32ad44ee62 100644
--- a/stdlib/test-cxa_atexit-race.c
+++ b/stdlib/test-cxa_atexit-race.c
@@ -1,5 +1,5 @@
 /* Bug 14333: a test for __cxa_atexit/exit race.
-   Copyright (C) 2017-2022 Free Software Foundation, Inc.
+   Copyright (C) 2017-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/test-cxa_atexit-race2.c b/stdlib/test-cxa_atexit-race2.c
index 6461863cb3..00cfc359b2 100644
--- a/stdlib/test-cxa_atexit-race2.c
+++ b/stdlib/test-cxa_atexit-race2.c
@@ -1,5 +1,5 @@
 /* Support file for atexit/exit, etc. race tests (BZ #27749).
-   Copyright (C) 2021-2022 Free Software Foundation, Inc.
+   Copyright (C) 2021-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/test-dlclose-exit-race-helper.c b/stdlib/test-dlclose-exit-race-helper.c
index 88d73aa6cb..d811bbac92 100644
--- a/stdlib/test-dlclose-exit-race-helper.c
+++ b/stdlib/test-dlclose-exit-race-helper.c
@@ -1,5 +1,5 @@
 /* Helper for exit/dlclose race test (Bug 22180).
-   Copyright (C) 2017-2022 Free Software Foundation, Inc.
+   Copyright (C) 2017-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/test-dlclose-exit-race.c b/stdlib/test-dlclose-exit-race.c
index 91613116bb..1b125bf2c5 100644
--- a/stdlib/test-dlclose-exit-race.c
+++ b/stdlib/test-dlclose-exit-race.c
@@ -1,5 +1,5 @@
 /* Test for exit/dlclose race (Bug 22180).
-   Copyright (C) 2017-2022 Free Software Foundation, Inc.
+   Copyright (C) 2017-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/test-on_exit-race.c b/stdlib/test-on_exit-race.c
index f113bd39ff..131d7147bf 100644
--- a/stdlib/test-on_exit-race.c
+++ b/stdlib/test-on_exit-race.c
@@ -1,5 +1,5 @@
 /* Bug 14333: a test for on_exit/exit race.
-   Copyright (C) 2017-2022 Free Software Foundation, Inc.
+   Copyright (C) 2017-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/testdiv.c b/stdlib/testdiv.c
index badf98cba3..d851aef656 100644
--- a/stdlib/testdiv.c
+++ b/stdlib/testdiv.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/testrand.c b/stdlib/testrand.c
index d15825ec37..4881c6c037 100644
--- a/stdlib/testrand.c
+++ b/stdlib/testrand.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1992-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-arc4random-fork.c b/stdlib/tst-arc4random-fork.c
index 019c0a99de..a69ec3968f 100644
--- a/stdlib/tst-arc4random-fork.c
+++ b/stdlib/tst-arc4random-fork.c
@@ -1,5 +1,5 @@
 /* Test that subprocesses generate distinct streams of randomness.
-   Copyright (C) 2022 Free Software Foundation, Inc.
+   Copyright (C) 2022-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-arc4random-stats.c b/stdlib/tst-arc4random-stats.c
index f6fc1f10c4..f0edffb16d 100644
--- a/stdlib/tst-arc4random-stats.c
+++ b/stdlib/tst-arc4random-stats.c
@@ -1,5 +1,5 @@
 /* Statistical tests for arc4random-related functions.
-   Copyright (C) 2022 Free Software Foundation, Inc.
+   Copyright (C) 2022-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-arc4random-thread.c b/stdlib/tst-arc4random-thread.c
index daba828fad..010828920e 100644
--- a/stdlib/tst-arc4random-thread.c
+++ b/stdlib/tst-arc4random-thread.c
@@ -1,5 +1,5 @@
 /* Test that threads generate distinct streams of randomness.
-   Copyright (C) 2022 Free Software Foundation, Inc.
+   Copyright (C) 2022-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-at_quick_exit.c b/stdlib/tst-at_quick_exit.c
index 9b38d9b2a2..d572f6ac57 100644
--- a/stdlib/tst-at_quick_exit.c
+++ b/stdlib/tst-at_quick_exit.c
@@ -1,5 +1,5 @@
 /* Verify functions registered via at_auick_exit run in LIFO order.
-   Copyright (C) 2017-2022 Free Software Foundation, Inc.
+   Copyright (C) 2017-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-atexit-common.c b/stdlib/tst-atexit-common.c
index 9c6f2c0f61..5f04310895 100644
--- a/stdlib/tst-atexit-common.c
+++ b/stdlib/tst-atexit-common.c
@@ -1,5 +1,5 @@
 /* Helper file for tst-{atexit,at_quick_exit,cxa_atexit,on_exit}.
-   Copyright (C) 2017-2022 Free Software Foundation, Inc.
+   Copyright (C) 2017-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-atexit.c b/stdlib/tst-atexit.c
index d209f10e47..1a3c08fa06 100644
--- a/stdlib/tst-atexit.c
+++ b/stdlib/tst-atexit.c
@@ -1,5 +1,5 @@
 /* Verify functions registered via atexit run in LIFO order.
-   Copyright (C) 2017-2022 Free Software Foundation, Inc.
+   Copyright (C) 2017-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-bsearch.c b/stdlib/tst-bsearch.c
index 82789e70c3..f8d3b7c626 100644
--- a/stdlib/tst-bsearch.c
+++ b/stdlib/tst-bsearch.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000-2022 Free Software Foundation, Inc.
+/* Copyright (C) 2000-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-bz20544.c b/stdlib/tst-bz20544.c
index 7cc236a1b1..a47f0292cc 100644
--- a/stdlib/tst-bz20544.c
+++ b/stdlib/tst-bz20544.c
@@ -1,5 +1,5 @@
 /* Verify atexit, on_exit, etc. abort on NULL function pointer.
-   Copyright (C) 2018-2022 Free Software Foundation, Inc.
+   Copyright (C) 2018-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-canon-bz26341.c b/stdlib/tst-canon-bz26341.c
index 6ed4a5793b..2d950d345b 100644
--- a/stdlib/tst-canon-bz26341.c
+++ b/stdlib/tst-canon-bz26341.c
@@ -1,6 +1,6 @@
 /* Check if realpath does not consume extra stack space based on symlink
    existance in the path (BZ #26341)
-   Copyright (C) 2021-2022 Free Software Foundation, Inc.
+   Copyright (C) 2021-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-cxa_atexit.c b/stdlib/tst-cxa_atexit.c
index eb381118be..c7825d738b 100644
--- a/stdlib/tst-cxa_atexit.c
+++ b/stdlib/tst-cxa_atexit.c
@@ -1,5 +1,5 @@
 /* Verify functions registered via __cxa_atexit run in LIFO order.
-   Copyright (C) 2017-2022 Free Software Foundation, Inc.
+   Copyright (C) 2017-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-empty-env.c b/stdlib/tst-empty-env.c
index 289bf70b14..396403421d 100644
--- a/stdlib/tst-empty-env.c
+++ b/stdlib/tst-empty-env.c
@@ -1,6 +1,6 @@
 /* Test that passing a NULL value does not hang environment traversal in
    tunables.
-   Copyright (C) 2017-2022 Free Software Foundation, Inc.
+   Copyright (C) 2017-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-environ.c b/stdlib/tst-environ.c
index 03c7eadb23..a05f28d1d0 100644
--- a/stdlib/tst-environ.c
+++ b/stdlib/tst-environ.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1999-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-fmtmsg.sh b/stdlib/tst-fmtmsg.sh
index e5b31bbabd..c90ee10b18 100755
--- a/stdlib/tst-fmtmsg.sh
+++ b/stdlib/tst-fmtmsg.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 # Test of fmtmsg function family.
-# Copyright (C) 2000-2022 Free Software Foundation, Inc.
+# Copyright (C) 2000-2023 Free Software Foundation, Inc.
 # This file is part of the GNU C Library.
 
 # The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-getrandom.c b/stdlib/tst-getrandom.c
index 61c3cae92e..8036a7c4f8 100644
--- a/stdlib/tst-getrandom.c
+++ b/stdlib/tst-getrandom.c
@@ -1,5 +1,5 @@
 /* Tests for the getentropy, getrandom functions.
-   Copyright (C) 2016-2022 Free Software Foundation, Inc.
+   Copyright (C) 2016-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-makecontext-align.c b/stdlib/tst-makecontext-align.c
index bb3fec155a..d6b3df0762 100644
--- a/stdlib/tst-makecontext-align.c
+++ b/stdlib/tst-makecontext-align.c
@@ -1,5 +1,5 @@
 /* Check stack alignment provided by makecontext.
-   Copyright (C) 2018-2022 Free Software Foundation, Inc.
+   Copyright (C) 2018-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-makecontext.c b/stdlib/tst-makecontext.c
index e14667dd5e..d7fe267b2a 100644
--- a/stdlib/tst-makecontext.c
+++ b/stdlib/tst-makecontext.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2006-2022 Free Software Foundation, Inc.
+/* Copyright (C) 2006-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-makecontext2.c b/stdlib/tst-makecontext2.c
index 3b97e900ce..25673d5bfd 100644
--- a/stdlib/tst-makecontext2.c
+++ b/stdlib/tst-makecontext2.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2008-2022 Free Software Foundation, Inc.
+/* Copyright (C) 2008-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-makecontext3.c b/stdlib/tst-makecontext3.c
index a8bf443a91..ff60429f38 100644
--- a/stdlib/tst-makecontext3.c
+++ b/stdlib/tst-makecontext3.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001-2022 Free Software Foundation, Inc.
+/* Copyright (C) 2001-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-on_exit.c b/stdlib/tst-on_exit.c
index 6f9055d8af..82b903d440 100644
--- a/stdlib/tst-on_exit.c
+++ b/stdlib/tst-on_exit.c
@@ -1,5 +1,5 @@
 /* Verify functions registered via on_exit run in LIFO order.
-   Copyright (C) 2017-2022 Free Software Foundation, Inc.
+   Copyright (C) 2017-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-quick_exit.cc b/stdlib/tst-quick_exit.cc
index d59b6825d6..c80cb7c352 100644
--- a/stdlib/tst-quick_exit.cc
+++ b/stdlib/tst-quick_exit.cc
@@ -1,5 +1,5 @@
 /* Bug 20198: Do not call object destructors at exit.
-   Copyright (C) 2016-2022 Free Software Foundation, Inc.
+   Copyright (C) 2016-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-random2.c b/stdlib/tst-random2.c
index 5e191bf3d0..4c68408bae 100644
--- a/stdlib/tst-random2.c
+++ b/stdlib/tst-random2.c
@@ -1,5 +1,5 @@
 /* Test initstate saving the old state.
-   Copyright (C) 2005-2022 Free Software Foundation, Inc.
+   Copyright (C) 2005-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-realpath.c b/stdlib/tst-realpath.c
index 9a741909a7..f325c95a44 100644
--- a/stdlib/tst-realpath.c
+++ b/stdlib/tst-realpath.c
@@ -7,7 +7,7 @@
    __attribute__ ((__malloc__ (free, 1))) char*
    realpath (const char *, char *);
 
-   Copyright (C) 2021-2022 Free Software Foundation, Inc.
+   Copyright (C) 2021-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-secure-getenv.c b/stdlib/tst-secure-getenv.c
index 69719a8acb..b722f9909a 100644
--- a/stdlib/tst-secure-getenv.c
+++ b/stdlib/tst-secure-getenv.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2012-2022 Free Software Foundation, Inc.
+/* Copyright (C) 2012-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-setcontext.c b/stdlib/tst-setcontext.c
index a2e7ae7fdb..9294472471 100644
--- a/stdlib/tst-setcontext.c
+++ b/stdlib/tst-setcontext.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001-2022 Free Software Foundation, Inc.
+/* Copyright (C) 2001-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-setcontext2.c b/stdlib/tst-setcontext2.c
index 783a40d59e..e16d04cb7b 100644
--- a/stdlib/tst-setcontext2.c
+++ b/stdlib/tst-setcontext2.c
@@ -1,6 +1,6 @@
 /* Testcase checks, if setcontext(), swapcontext() restores signal-mask
    and if pending signals are delivered after those calls.
-   Copyright (C) 2015-2022 Free Software Foundation, Inc.
+   Copyright (C) 2015-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-setcontext3.c b/stdlib/tst-setcontext3.c
index e9ab711111..52860b73a2 100644
--- a/stdlib/tst-setcontext3.c
+++ b/stdlib/tst-setcontext3.c
@@ -1,5 +1,5 @@
 /* Bug 18125: Verify setcontext calls exit() and not _exit().
-   Copyright (C) 2015-2022 Free Software Foundation, Inc.
+   Copyright (C) 2015-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-setcontext3.sh b/stdlib/tst-setcontext3.sh
index 586999fd69..8b250fe13e 100644
--- a/stdlib/tst-setcontext3.sh
+++ b/stdlib/tst-setcontext3.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 # Bug 18125: Test the exit functionality of setcontext().
-# Copyright (C) 2015-2022 Free Software Foundation, Inc.
+# Copyright (C) 2015-2023 Free Software Foundation, Inc.
 # This file is part of the GNU C Library.
 
 # The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-setcontext4.c b/stdlib/tst-setcontext4.c
index 432fc88dd5..0bb7a355d1 100644
--- a/stdlib/tst-setcontext4.c
+++ b/stdlib/tst-setcontext4.c
@@ -1,6 +1,6 @@
 /* Testcase checks, if setcontext(), swapcontext() restores signal-mask
    and if pending signals are delivered after those calls.
-   Copyright (C) 2018-2022 Free Software Foundation, Inc.
+   Copyright (C) 2018-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-setcontext5.c b/stdlib/tst-setcontext5.c
index 64f81a30a6..77f73e10ae 100644
--- a/stdlib/tst-setcontext5.c
+++ b/stdlib/tst-setcontext5.c
@@ -1,5 +1,5 @@
 /* Check multiple setcontext calls.
-   Copyright (C) 2018-2022 Free Software Foundation, Inc.
+   Copyright (C) 2018-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-setcontext6.c b/stdlib/tst-setcontext6.c
index f580b6c05f..bec080210d 100644
--- a/stdlib/tst-setcontext6.c
+++ b/stdlib/tst-setcontext6.c
@@ -1,5 +1,5 @@
 /* Check getcontext and setcontext on the context from makecontext.
-   Copyright (C) 2018-2022 Free Software Foundation, Inc.
+   Copyright (C) 2018-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-setcontext7.c b/stdlib/tst-setcontext7.c
index 3739b79341..f8c113af1e 100644
--- a/stdlib/tst-setcontext7.c
+++ b/stdlib/tst-setcontext7.c
@@ -1,5 +1,5 @@
 /* Check setcontext on the context from makecontext.
-   Copyright (C) 2018-2022 Free Software Foundation, Inc.
+   Copyright (C) 2018-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-setcontext8.c b/stdlib/tst-setcontext8.c
index 82d5e89e9d..06230377cd 100644
--- a/stdlib/tst-setcontext8.c
+++ b/stdlib/tst-setcontext8.c
@@ -1,5 +1,5 @@
 /* Check getcontext and setcontext on the context from makecontext.
-   Copyright (C) 2018-2022 Free Software Foundation, Inc.
+   Copyright (C) 2018-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-setcontext9.c b/stdlib/tst-setcontext9.c
index 23cf09d1e2..6546a27fad 100644
--- a/stdlib/tst-setcontext9.c
+++ b/stdlib/tst-setcontext9.c
@@ -1,5 +1,5 @@
 /* Check setcontext on the context from makecontext.
-   Copyright (C) 2018-2022 Free Software Foundation, Inc.
+   Copyright (C) 2018-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-strfmon_l.c b/stdlib/tst-strfmon_l.c
index 8791f464b8..9c06c63715 100644
--- a/stdlib/tst-strfmon_l.c
+++ b/stdlib/tst-strfmon_l.c
@@ -1,5 +1,5 @@
 /* Test locale dependence of strfmon_l.
-   Copyright (C) 2016-2022 Free Software Foundation, Inc.
+   Copyright (C) 2016-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-strfrom-locale.c b/stdlib/tst-strfrom-locale.c
index 85907c0ce1..f774690982 100644
--- a/stdlib/tst-strfrom-locale.c
+++ b/stdlib/tst-strfrom-locale.c
@@ -1,5 +1,5 @@
 /* Tests for strfromf, strfromd, strfroml functions.
-   Copyright (C) 2016-2022 Free Software Foundation, Inc.
+   Copyright (C) 2016-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-strfrom.c b/stdlib/tst-strfrom.c
index 3a447eac12..060cf5e269 100644
--- a/stdlib/tst-strfrom.c
+++ b/stdlib/tst-strfrom.c
@@ -1,5 +1,5 @@
 /* Tests for strfromf, strfromd, strfroml functions.
-   Copyright (C) 2016-2022 Free Software Foundation, Inc.
+   Copyright (C) 2016-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-strfrom.h b/stdlib/tst-strfrom.h
index 2820a580c2..3d74454a56 100644
--- a/stdlib/tst-strfrom.h
+++ b/stdlib/tst-strfrom.h
@@ -1,5 +1,5 @@
 /* Tests for strfromf, strfromd, strfroml functions.
-   Copyright (C) 2016-2022 Free Software Foundation, Inc.
+   Copyright (C) 2016-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-strtod-nan-locale-main.c b/stdlib/tst-strtod-nan-locale-main.c
index cee558f945..2b15338a7f 100644
--- a/stdlib/tst-strtod-nan-locale-main.c
+++ b/stdlib/tst-strtod-nan-locale-main.c
@@ -1,6 +1,6 @@
 /* Test strtod functions work with all ASCII letters in NAN(...) in
    Turkish locales (bug 19266).
-   Copyright (C) 2015-2022 Free Software Foundation, Inc.
+   Copyright (C) 2015-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-strtod-nan-locale.c b/stdlib/tst-strtod-nan-locale.c
index 2901925ab8..40cbfd373d 100644
--- a/stdlib/tst-strtod-nan-locale.c
+++ b/stdlib/tst-strtod-nan-locale.c
@@ -1,6 +1,6 @@
 /* Test strtod functions work with all ASCII letters in NAN(...) in
    Turkish locales (bug 19266).  Narrow string version.
-   Copyright (C) 2015-2022 Free Software Foundation, Inc.
+   Copyright (C) 2015-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-strtod-nan-sign-main.c b/stdlib/tst-strtod-nan-sign-main.c
index 7bb06b9d29..2c660ac033 100644
--- a/stdlib/tst-strtod-nan-sign-main.c
+++ b/stdlib/tst-strtod-nan-sign-main.c
@@ -1,5 +1,5 @@
 /* Test strtod functions handle signs of NaNs (bug 23007).
-   Copyright (C) 2018-2022 Free Software Foundation, Inc.
+   Copyright (C) 2018-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-strtod-nan-sign.c b/stdlib/tst-strtod-nan-sign.c
index 1b90dc0399..edae086181 100644
--- a/stdlib/tst-strtod-nan-sign.c
+++ b/stdlib/tst-strtod-nan-sign.c
@@ -1,6 +1,6 @@
 /* Test strtod functions handle signs of NaNs (bug 23007).
    Narrow string version.
-   Copyright (C) 2018-2022 Free Software Foundation, Inc.
+   Copyright (C) 2018-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-strtod-overflow.c b/stdlib/tst-strtod-overflow.c
index 3d4581f900..7d7d86e0cb 100644
--- a/stdlib/tst-strtod-overflow.c
+++ b/stdlib/tst-strtod-overflow.c
@@ -1,5 +1,5 @@
 /* Test for integer/buffer overflow in strtod.
-   Copyright (C) 2012-2022 Free Software Foundation, Inc.
+   Copyright (C) 2012-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-strtod-round-skeleton.c b/stdlib/tst-strtod-round-skeleton.c
index 3a777b1d71..f830814cc9 100644
--- a/stdlib/tst-strtod-round-skeleton.c
+++ b/stdlib/tst-strtod-round-skeleton.c
@@ -1,6 +1,6 @@
 /* Test for correct rounding of results of strtod and related
    functions.
-   Copyright (C) 2012-2022 Free Software Foundation, Inc.
+   Copyright (C) 2012-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-strtod-round.c b/stdlib/tst-strtod-round.c
index 226d7b3f22..54f7bb7785 100644
--- a/stdlib/tst-strtod-round.c
+++ b/stdlib/tst-strtod-round.c
@@ -1,5 +1,5 @@
 /* char shim for tst-strtod-round-skeleton.c.
-   Copyright (C) 2016-2022 Free Software Foundation, Inc.
+   Copyright (C) 2016-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-strtod-underflow.c b/stdlib/tst-strtod-underflow.c
index 9c17f63a06..10a574cdf8 100644
--- a/stdlib/tst-strtod-underflow.c
+++ b/stdlib/tst-strtod-underflow.c
@@ -1,6 +1,6 @@
 /* Test for strtod handling of arguments that may cause floating-point
    underflow.
-   Copyright (C) 2012-2022 Free Software Foundation, Inc.
+   Copyright (C) 2012-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-strtod.c b/stdlib/tst-strtod.c
index 4bfddaff46..3453f343bb 100644
--- a/stdlib/tst-strtod.c
+++ b/stdlib/tst-strtod.c
@@ -1,5 +1,5 @@
 /* Basic tests for strtod.
-   Copyright (C) 1991-2022 Free Software Foundation, Inc.
+   Copyright (C) 1991-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-strtod.h b/stdlib/tst-strtod.h
index 8b3692db3a..ede9e01b11 100644
--- a/stdlib/tst-strtod.h
+++ b/stdlib/tst-strtod.h
@@ -1,6 +1,6 @@
 /* Common utilities for testing strtod and its derivatives.
    This file is part of the GNU C Library.
-   Copyright (C) 2016-2022 Free Software Foundation, Inc.
+   Copyright (C) 2016-2023 Free Software Foundation, Inc.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/stdlib/tst-strtod1i.c b/stdlib/tst-strtod1i.c
index 55ea151972..e99f629982 100644
--- a/stdlib/tst-strtod1i.c
+++ b/stdlib/tst-strtod1i.c
@@ -1,5 +1,5 @@
 /* Basic tests for __strtod_internal.
-   Copyright (C) 1991-2022 Free Software Foundation, Inc.
+   Copyright (C) 1991-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-strtod5.c b/stdlib/tst-strtod5.c
index 199b1aaf80..177a897ace 100644
--- a/stdlib/tst-strtod5.c
+++ b/stdlib/tst-strtod5.c
@@ -1,5 +1,5 @@
 /* Tests of strtod in a locale using decimal comma.
-   Copyright (C) 2007-2022 Free Software Foundation, Inc.
+   Copyright (C) 2007-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-strtod5i.c b/stdlib/tst-strtod5i.c
index 6949e58f5d..c58c5b1439 100644
--- a/stdlib/tst-strtod5i.c
+++ b/stdlib/tst-strtod5i.c
@@ -1,5 +1,5 @@
 /* Tests of __strtod_internal in a locale using decimal comma.
-   Copyright (C) 2007-2022 Free Software Foundation, Inc.
+   Copyright (C) 2007-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-strtol-locale-main.c b/stdlib/tst-strtol-locale-main.c
index 27927dec07..9661482193 100644
--- a/stdlib/tst-strtol-locale-main.c
+++ b/stdlib/tst-strtol-locale-main.c
@@ -1,6 +1,6 @@
 /* Test strtol functions work with all ASCII letters in Turkish
    locales (bug 19242).
-   Copyright (C) 2015-2022 Free Software Foundation, Inc.
+   Copyright (C) 2015-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-strtol-locale.c b/stdlib/tst-strtol-locale.c
index bc1c0c4901..1e3cf2e646 100644
--- a/stdlib/tst-strtol-locale.c
+++ b/stdlib/tst-strtol-locale.c
@@ -1,6 +1,6 @@
 /* Test strtol functions work with all ASCII letters in Turkish
    locales (bug 19242).  Narrow string version.
-   Copyright (C) 2015-2022 Free Software Foundation, Inc.
+   Copyright (C) 2015-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-swapcontext1.c b/stdlib/tst-swapcontext1.c
index 8850279ec3..39a47365cd 100644
--- a/stdlib/tst-swapcontext1.c
+++ b/stdlib/tst-swapcontext1.c
@@ -1,5 +1,5 @@
 /* Check multiple makecontext calls.
-   Copyright (C) 2018-2022 Free Software Foundation, Inc.
+   Copyright (C) 2018-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-system.c b/stdlib/tst-system.c
index f7fa74b2a6..634acfe264 100644
--- a/stdlib/tst-system.c
+++ b/stdlib/tst-system.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2022 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-thread-quick_exit.cc b/stdlib/tst-thread-quick_exit.cc
index 706d7b23d5..03e3c94d8a 100644
--- a/stdlib/tst-thread-quick_exit.cc
+++ b/stdlib/tst-thread-quick_exit.cc
@@ -1,5 +1,5 @@
 /* Bug 20198: Do not call object destructors at exit.
-   Copyright (C) 2016-2022 Free Software Foundation, Inc.
+   Copyright (C) 2016-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-tininess.c b/stdlib/tst-tininess.c
index 846630d887..162e9750b1 100644
--- a/stdlib/tst-tininess.c
+++ b/stdlib/tst-tininess.c
@@ -1,5 +1,5 @@
 /* Test that tininess.h is correct for this architecture.
-   Copyright (C) 2012-2022 Free Software Foundation, Inc.
+   Copyright (C) 2012-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-tls-atexit-lib.c b/stdlib/tst-tls-atexit-lib.c
index e4959985ed..e338946e23 100644
--- a/stdlib/tst-tls-atexit-lib.c
+++ b/stdlib/tst-tls-atexit-lib.c
@@ -1,5 +1,5 @@
 /* Verify that DSO is unloaded only if its TLS objects are destroyed - the DSO.
-   Copyright (C) 2013-2022 Free Software Foundation, Inc.
+   Copyright (C) 2013-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-tls-atexit-nodelete.c b/stdlib/tst-tls-atexit-nodelete.c
index 6fc2217a22..8ec9a48aa7 100644
--- a/stdlib/tst-tls-atexit-nodelete.c
+++ b/stdlib/tst-tls-atexit-nodelete.c
@@ -1,7 +1,7 @@
 /* Verify that a RTLD_NODELETE DSO is not unloaded even if its TLS objects are
    destroyed.
 
-   Copyright (C) 2015-2022 Free Software Foundation, Inc.
+   Copyright (C) 2015-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-tls-atexit.c b/stdlib/tst-tls-atexit.c
index 8367423490..efbaed1220 100644
--- a/stdlib/tst-tls-atexit.c
+++ b/stdlib/tst-tls-atexit.c
@@ -1,5 +1,5 @@
 /* Verify that DSO is unloaded only if its TLS objects are destroyed.
-   Copyright (C) 2013-2022 Free Software Foundation, Inc.
+   Copyright (C) 2013-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-width-stdint.c b/stdlib/tst-width-stdint.c
index ebfbb4b218..cf12637e4a 100644
--- a/stdlib/tst-width-stdint.c
+++ b/stdlib/tst-width-stdint.c
@@ -1,5 +1,5 @@
 /* Test integer width macros in <stdint.h>.
-   Copyright (C) 2016-2022 Free Software Foundation, Inc.
+   Copyright (C) 2016-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-width.c b/stdlib/tst-width.c
index 03b4c060a3..a95503db09 100644
--- a/stdlib/tst-width.c
+++ b/stdlib/tst-width.c
@@ -1,5 +1,5 @@
 /* Test integer width macros.
-   Copyright (C) 2016-2022 Free Software Foundation, Inc.
+   Copyright (C) 2016-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/tst-xpg-basename.c b/stdlib/tst-xpg-basename.c
index 8b9ac1d7ab..2d760544a8 100644
--- a/stdlib/tst-xpg-basename.c
+++ b/stdlib/tst-xpg-basename.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1999-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/ucontext.h b/stdlib/ucontext.h
index 6b08e38d5d..a2a047d794 100644
--- a/stdlib/ucontext.h
+++ b/stdlib/ucontext.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1997-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/wcstombs.c b/stdlib/wcstombs.c
index 2151e1952f..d5e0b96b8c 100644
--- a/stdlib/wcstombs.c
+++ b/stdlib/wcstombs.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/wctomb.c b/stdlib/wctomb.c
index c96bab0ba2..a5abd9cbd1 100644
--- a/stdlib/wctomb.c
+++ b/stdlib/wctomb.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2022 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/stdlib/xpg_basename.c b/stdlib/xpg_basename.c
index a5f676b087..8bbe7a82cc 100644
--- a/stdlib/xpg_basename.c
+++ b/stdlib/xpg_basename.c
@@ -1,5 +1,5 @@
 /* Return basename of given pathname according to the weird XPG specification.
-   Copyright (C) 1997-2022 Free Software Foundation, Inc.
+   Copyright (C) 1997-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or