44 files changed, 88 insertions, 0 deletions

diff --git a/lib/libiconv_modules/BIG5/citrus_big5.h b/lib/libiconv_modules/BIG5/citrus_big5.h
index e653ac6c12618..fd8de6af6dd8e 100644
--- a/lib/libiconv_modules/BIG5/citrus_big5.h
+++ b/lib/libiconv_modules/BIG5/citrus_big5.h
@@ -2,6 +2,8 @@
 /*	$NetBSD: citrus_big5.h,v 1.2 2003/06/25 09:51:41 tshiozak Exp $	*/
 
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c)2002 Citrus Project,
  * All rights reserved.
  *
diff --git a/lib/libiconv_modules/DECHanyu/citrus_dechanyu.c b/lib/libiconv_modules/DECHanyu/citrus_dechanyu.c
index ec2c5972390dc..fe27da24b383b 100644
--- a/lib/libiconv_modules/DECHanyu/citrus_dechanyu.c
+++ b/lib/libiconv_modules/DECHanyu/citrus_dechanyu.c
@@ -2,6 +2,8 @@
 /* $NetBSD: citrus_dechanyu.c,v 1.4 2011/11/19 18:20:13 tnozaki Exp $ */
 
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c)2007 Citrus Project,
  * All rights reserved.
  *
diff --git a/lib/libiconv_modules/DECHanyu/citrus_dechanyu.h b/lib/libiconv_modules/DECHanyu/citrus_dechanyu.h
index 5f8873cf7f54e..28a752d7c7d34 100644
--- a/lib/libiconv_modules/DECHanyu/citrus_dechanyu.h
+++ b/lib/libiconv_modules/DECHanyu/citrus_dechanyu.h
@@ -2,6 +2,8 @@
 /* $NetBSD: citrus_dechanyu.h,v 1.1 2007/04/01 18:52:32 tnozaki Exp $ */
 
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c)2006 Citrus Project,
  * All rights reserved.
  *
diff --git a/lib/libiconv_modules/EUC/citrus_euc.h b/lib/libiconv_modules/EUC/citrus_euc.h
index e9bab9f70753e..a7ffa8ab47e01 100644
--- a/lib/libiconv_modules/EUC/citrus_euc.h
+++ b/lib/libiconv_modules/EUC/citrus_euc.h
@@ -2,6 +2,8 @@
 /*	$NetBSD: citrus_euc.h,v 1.2 2003/06/25 09:51:42 tshiozak Exp $	*/
 
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c)2002 Citrus Project,
  * All rights reserved.
  *
diff --git a/lib/libiconv_modules/EUCTW/citrus_euctw.c b/lib/libiconv_modules/EUCTW/citrus_euctw.c
index 6c3e9f6b7fa1f..9132e38e5ecb7 100644
--- a/lib/libiconv_modules/EUCTW/citrus_euctw.c
+++ b/lib/libiconv_modules/EUCTW/citrus_euctw.c
@@ -2,6 +2,8 @@
 /*	$NetBSD: citrus_euctw.c,v 1.11 2008/06/14 16:01:07 tnozaki Exp $	*/
 
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c)2002 Citrus Project,
  * All rights reserved.
  *
diff --git a/lib/libiconv_modules/EUCTW/citrus_euctw.h b/lib/libiconv_modules/EUCTW/citrus_euctw.h
index 5dde3421e3d78..2dca8457cf8ac 100644
--- a/lib/libiconv_modules/EUCTW/citrus_euctw.h
+++ b/lib/libiconv_modules/EUCTW/citrus_euctw.h
@@ -2,6 +2,8 @@
 /*	$NetBSD: citrus_euctw.h,v 1.2 2003/06/25 09:51:42 tshiozak Exp $	*/
 
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c)2002 Citrus Project,
  * All rights reserved.
  *
diff --git a/lib/libiconv_modules/GBK2K/citrus_gbk2k.c b/lib/libiconv_modules/GBK2K/citrus_gbk2k.c
index b64c7e09cd4d8..87ec6ebecc6ab 100644
--- a/lib/libiconv_modules/GBK2K/citrus_gbk2k.c
+++ b/lib/libiconv_modules/GBK2K/citrus_gbk2k.c
@@ -2,6 +2,8 @@
 /* $NetBSD: citrus_gbk2k.c,v 1.7 2008/06/14 16:01:07 tnozaki Exp $ */
 
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c)2003 Citrus Project,
  * All rights reserved.
  *
diff --git a/lib/libiconv_modules/GBK2K/citrus_gbk2k.h b/lib/libiconv_modules/GBK2K/citrus_gbk2k.h
index 174a19e950559..c5df93faa934b 100644
--- a/lib/libiconv_modules/GBK2K/citrus_gbk2k.h
+++ b/lib/libiconv_modules/GBK2K/citrus_gbk2k.h
@@ -2,6 +2,8 @@
 /* $NetBSD: citrus_gbk2k.h,v 1.2 2003/06/25 09:51:43 tshiozak Exp $ */
 
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c)2003 Citrus Project,
  * All rights reserved.
  *
diff --git a/lib/libiconv_modules/HZ/citrus_hz.c b/lib/libiconv_modules/HZ/citrus_hz.c
index 13d2f2c618eda..f41a302fff9ea 100644
--- a/lib/libiconv_modules/HZ/citrus_hz.c
+++ b/lib/libiconv_modules/HZ/citrus_hz.c
@@ -2,6 +2,8 @@
 /* $NetBSD: citrus_hz.c,v 1.2 2008/06/14 16:01:07 tnozaki Exp $ */
 
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c)2004, 2006 Citrus Project,
  * All rights reserved.
  *
diff --git a/lib/libiconv_modules/HZ/citrus_hz.h b/lib/libiconv_modules/HZ/citrus_hz.h
index 9737b7b343380..6fc36d5a17438 100644
--- a/lib/libiconv_modules/HZ/citrus_hz.h
+++ b/lib/libiconv_modules/HZ/citrus_hz.h
@@ -2,6 +2,8 @@
 /* $NetBSD: citrus_hz.h,v 1.1 2006/11/22 23:38:27 tnozaki Exp $ */
 
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c)2004, 2006 Citrus Project,
  * All rights reserved.
  *
diff --git a/lib/libiconv_modules/ISO2022/citrus_iso2022.c b/lib/libiconv_modules/ISO2022/citrus_iso2022.c
index c88a23ee1abfa..6089f7c6102d8 100644
--- a/lib/libiconv_modules/ISO2022/citrus_iso2022.c
+++ b/lib/libiconv_modules/ISO2022/citrus_iso2022.c
@@ -2,6 +2,8 @@
 /*	$NetBSD: citrus_iso2022.c,v 1.20 2010/12/07 22:01:45 joerg Exp $	*/
 
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c)1999, 2002 Citrus Project,
  * All rights reserved.
  *
diff --git a/lib/libiconv_modules/ISO2022/citrus_iso2022.h b/lib/libiconv_modules/ISO2022/citrus_iso2022.h
index c5bbc40c91115..30cbf012a3b3d 100644
--- a/lib/libiconv_modules/ISO2022/citrus_iso2022.h
+++ b/lib/libiconv_modules/ISO2022/citrus_iso2022.h
@@ -2,6 +2,8 @@
 /*	$NetBSD: citrus_iso2022.h,v 1.2 2003/06/25 09:51:44 tshiozak Exp $	*/
 
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c)2002 Citrus Project,
  * All rights reserved.
  *
diff --git a/lib/libiconv_modules/JOHAB/citrus_johab.c b/lib/libiconv_modules/JOHAB/citrus_johab.c
index 459f8c99c7dbd..cd50bd3ed0e0b 100644
--- a/lib/libiconv_modules/JOHAB/citrus_johab.c
+++ b/lib/libiconv_modules/JOHAB/citrus_johab.c
@@ -2,6 +2,8 @@
 /* $NetBSD: citrus_johab.c,v 1.4 2008/06/14 16:01:07 tnozaki Exp $ */
 
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c)2006 Citrus Project,
  * All rights reserved.
  *
diff --git a/lib/libiconv_modules/JOHAB/citrus_johab.h b/lib/libiconv_modules/JOHAB/citrus_johab.h
index f11fb4e5009c9..c91ffea023a05 100644
--- a/lib/libiconv_modules/JOHAB/citrus_johab.h
+++ b/lib/libiconv_modules/JOHAB/citrus_johab.h
@@ -2,6 +2,8 @@
 /* $NetBSD: citrus_johab.h,v 1.1 2006/10/18 17:54:55 tnozaki Exp $ */
 
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c)2006 Citrus Project,
  * All rights reserved.
  *
diff --git a/lib/libiconv_modules/MSKanji/citrus_mskanji.c b/lib/libiconv_modules/MSKanji/citrus_mskanji.c
index 4330cc8c0ec68..423ea3b8592f3 100644
--- a/lib/libiconv_modules/MSKanji/citrus_mskanji.c
+++ b/lib/libiconv_modules/MSKanji/citrus_mskanji.c
@@ -2,6 +2,8 @@
 /*	$NetBSD: citrus_mskanji.c,v 1.13 2008/06/14 16:01:08 tnozaki Exp $	*/
 
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c)2002 Citrus Project,
  * All rights reserved.
  *
diff --git a/lib/libiconv_modules/MSKanji/citrus_mskanji.h b/lib/libiconv_modules/MSKanji/citrus_mskanji.h
index 3dc385243910c..36f79f26ce6b9 100644
--- a/lib/libiconv_modules/MSKanji/citrus_mskanji.h
+++ b/lib/libiconv_modules/MSKanji/citrus_mskanji.h
@@ -2,6 +2,8 @@
 /*	$NetBSD: citrus_mskanji.h,v 1.2 2003/06/25 09:51:48 tshiozak Exp $	*/
 
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c)2002 Citrus Project,
  * All rights reserved.
  *
diff --git a/lib/libiconv_modules/UES/citrus_ues.c b/lib/libiconv_modules/UES/citrus_ues.c
index 8516c2ae08aa9..1c7b836878549 100644
--- a/lib/libiconv_modules/UES/citrus_ues.c
+++ b/lib/libiconv_modules/UES/citrus_ues.c
@@ -2,6 +2,8 @@
 /* $NetBSD: citrus_ues.c,v 1.3 2012/02/12 13:51:29 wiz Exp $ */
 
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c)2006 Citrus Project,
  * All rights reserved.
  *
diff --git a/lib/libiconv_modules/UES/citrus_ues.h b/lib/libiconv_modules/UES/citrus_ues.h
index 7198cdfca5a52..82c13ac2b7ab2 100644
--- a/lib/libiconv_modules/UES/citrus_ues.h
+++ b/lib/libiconv_modules/UES/citrus_ues.h
@@ -2,6 +2,8 @@
 /* $NetBSD: citrus_ues.h,v 1.1 2006/11/13 15:16:31 tnozaki Exp $ */
 
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c)2004, 2006 Citrus Project,
  * All rights reserved.
  *
diff --git a/lib/libiconv_modules/UTF1632/citrus_utf1632.c b/lib/libiconv_modules/UTF1632/citrus_utf1632.c
index 6682ab2796923..b9625165051c0 100644
--- a/lib/libiconv_modules/UTF1632/citrus_utf1632.c
+++ b/lib/libiconv_modules/UTF1632/citrus_utf1632.c
@@ -2,6 +2,8 @@
 /*	$NetBSD: citrus_utf1632.c,v 1.9 2008/06/14 16:01:08 tnozaki Exp $	*/
 
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c)2003 Citrus Project,
  * All rights reserved.
  *
diff --git a/lib/libiconv_modules/UTF1632/citrus_utf1632.h b/lib/libiconv_modules/UTF1632/citrus_utf1632.h
index 8ee7ada23dae1..2327f5e14dc84 100644
--- a/lib/libiconv_modules/UTF1632/citrus_utf1632.h
+++ b/lib/libiconv_modules/UTF1632/citrus_utf1632.h
@@ -2,6 +2,8 @@
 /*	$NetBSD: citrus_utf1632.h,v 1.1 2003/06/25 09:51:49 tshiozak Exp $	*/
 
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c)2003 Citrus Project,
  * All rights reserved.
  *
diff --git a/lib/libiconv_modules/UTF7/citrus_utf7.c b/lib/libiconv_modules/UTF7/citrus_utf7.c
index fa00a682fac7d..b899b1a4f5baa 100644
--- a/lib/libiconv_modules/UTF7/citrus_utf7.c
+++ b/lib/libiconv_modules/UTF7/citrus_utf7.c
@@ -2,6 +2,8 @@
 /*	$NetBSD: citrus_utf7.c,v 1.5 2006/08/23 12:57:24 tnozaki Exp $	*/
 
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c)2004, 2005 Citrus Project,
  * All rights reserved.
  *
diff --git a/lib/libiconv_modules/UTF7/citrus_utf7.h b/lib/libiconv_modules/UTF7/citrus_utf7.h
index 96ca478e0216b..925e970a90fc6 100644
--- a/lib/libiconv_modules/UTF7/citrus_utf7.h
+++ b/lib/libiconv_modules/UTF7/citrus_utf7.h
@@ -2,6 +2,8 @@
 /*	$NetBSD: citrus_utf7.h,v 1.1 2005/03/05 18:05:15 tnozaki Exp $	*/
 
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c)2004,2005 Citrus Project,
  * All rights reserved.
  *
diff --git a/lib/libiconv_modules/UTF8/citrus_utf8.h b/lib/libiconv_modules/UTF8/citrus_utf8.h
index fa412b7ba1aa5..033d4ad659e9a 100644
--- a/lib/libiconv_modules/UTF8/citrus_utf8.h
+++ b/lib/libiconv_modules/UTF8/citrus_utf8.h
@@ -2,6 +2,8 @@
 /*	$NetBSD: citrus_utf8.h,v 1.2 2003/06/25 09:51:49 tshiozak Exp $	*/
 
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c)2002 Citrus Project,
  * All rights reserved.
  *
diff --git a/lib/libiconv_modules/VIQR/citrus_viqr.c b/lib/libiconv_modules/VIQR/citrus_viqr.c
index ed91cf64cfea1..8a81a7d12b011 100644
--- a/lib/libiconv_modules/VIQR/citrus_viqr.c
+++ b/lib/libiconv_modules/VIQR/citrus_viqr.c
@@ -2,6 +2,8 @@
 /* $NetBSD: citrus_viqr.c,v 1.5 2011/11/19 18:20:13 tnozaki Exp $ */
 
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c)2006 Citrus Project,
  * All rights reserved.
  *
diff --git a/lib/libiconv_modules/VIQR/citrus_viqr.h b/lib/libiconv_modules/VIQR/citrus_viqr.h
index a6d943c2656c8..ed2c1c2a5fe77 100644
--- a/lib/libiconv_modules/VIQR/citrus_viqr.h
+++ b/lib/libiconv_modules/VIQR/citrus_viqr.h
@@ -2,6 +2,8 @@
 /* $NetBSD: citrus_viqr.h,v 1.1 2006/11/13 15:16:31 tnozaki Exp $ */
 
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c)2006 Citrus Project,
  * All rights reserved.
  *
diff --git a/lib/libiconv_modules/ZW/citrus_zw.c b/lib/libiconv_modules/ZW/citrus_zw.c
index 1728e3b7601c1..cbe86241196c5 100644
--- a/lib/libiconv_modules/ZW/citrus_zw.c
+++ b/lib/libiconv_modules/ZW/citrus_zw.c
@@ -2,6 +2,8 @@
 /* $NetBSD: citrus_zw.c,v 1.4 2008/06/14 16:01:08 tnozaki Exp $ */
 
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c)2004, 2006 Citrus Project,
  * All rights reserved.
  *
diff --git a/lib/libiconv_modules/ZW/citrus_zw.h b/lib/libiconv_modules/ZW/citrus_zw.h
index b24485b5e8525..f86de57665e4b 100644
--- a/lib/libiconv_modules/ZW/citrus_zw.h
+++ b/lib/libiconv_modules/ZW/citrus_zw.h
@@ -2,6 +2,8 @@
 /* $NetBSD: citrus_zw.h,v 1.1 2006/11/22 23:38:27 tnozaki Exp $ */
 
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c)2004,2006 Citrus Project,
  * All rights reserved.
  *
diff --git a/lib/libiconv_modules/iconv_none/citrus_iconv_none.c b/lib/libiconv_modules/iconv_none/citrus_iconv_none.c
index 9d6cd317195df..ca09aab9451fa 100644
--- a/lib/libiconv_modules/iconv_none/citrus_iconv_none.c
+++ b/lib/libiconv_modules/iconv_none/citrus_iconv_none.c
@@ -2,6 +2,8 @@
 /*	$NetBSD: citrus_iconv_none.c,v 1.3 2011/05/23 14:45:44 joerg Exp $	*/
 
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c)2003 Citrus Project,
  * All rights reserved.
  *
diff --git a/lib/libiconv_modules/iconv_none/citrus_iconv_none.h b/lib/libiconv_modules/iconv_none/citrus_iconv_none.h
index 392af412c6ab9..ef804377308ab 100644
--- a/lib/libiconv_modules/iconv_none/citrus_iconv_none.h
+++ b/lib/libiconv_modules/iconv_none/citrus_iconv_none.h
@@ -2,6 +2,8 @@
 /*	$NetBSD: citrus_iconv_none.h,v 1.1 2003/06/25 09:51:43 tshiozak Exp $	*/
 
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c)2003 Citrus Project,
  * All rights reserved.
  *
diff --git a/lib/libiconv_modules/iconv_std/citrus_iconv_std.c b/lib/libiconv_modules/iconv_std/citrus_iconv_std.c
index fd9a68cfccfef..ec9f21de541ec 100644
--- a/lib/libiconv_modules/iconv_std/citrus_iconv_std.c
+++ b/lib/libiconv_modules/iconv_std/citrus_iconv_std.c
@@ -2,6 +2,8 @@
 /*	$NetBSD: citrus_iconv_std.c,v 1.16 2012/02/12 13:51:29 wiz Exp $	*/
 
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c)2003 Citrus Project,
  * All rights reserved.
  *
diff --git a/lib/libiconv_modules/iconv_std/citrus_iconv_std.h b/lib/libiconv_modules/iconv_std/citrus_iconv_std.h
index 3aef79ee549c5..5ca21bf48ea15 100644
--- a/lib/libiconv_modules/iconv_std/citrus_iconv_std.h
+++ b/lib/libiconv_modules/iconv_std/citrus_iconv_std.h
@@ -2,6 +2,8 @@
 /*	$NetBSD: citrus_iconv_std.h,v 1.1 2003/06/25 09:51:44 tshiozak Exp $	*/
 
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c)2003 Citrus Project,
  * All rights reserved.
  *
diff --git a/lib/libiconv_modules/iconv_std/citrus_iconv_std_local.h b/lib/libiconv_modules/iconv_std/citrus_iconv_std_local.h
index 6e83730eb3338..97c89dc89eeee 100644
--- a/lib/libiconv_modules/iconv_std/citrus_iconv_std_local.h
+++ b/lib/libiconv_modules/iconv_std/citrus_iconv_std_local.h
@@ -2,6 +2,8 @@
 /*	$NetBSD: citrus_iconv_std_local.h,v 1.2 2003/07/01 09:42:16 tshiozak Exp $	*/
 
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c)2003 Citrus Project,
  * All rights reserved.
  *
diff --git a/lib/libiconv_modules/mapper_646/citrus_mapper_646.c b/lib/libiconv_modules/mapper_646/citrus_mapper_646.c
index b2775492a259a..6295afde2864b 100644
--- a/lib/libiconv_modules/mapper_646/citrus_mapper_646.c
+++ b/lib/libiconv_modules/mapper_646/citrus_mapper_646.c
@@ -2,6 +2,8 @@
 /*	$NetBSD: citrus_mapper_646.c,v 1.4 2003/07/14 11:37:49 tshiozak Exp $	*/
 
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c)2003 Citrus Project,
  * All rights reserved.
  *
diff --git a/lib/libiconv_modules/mapper_646/citrus_mapper_646.h b/lib/libiconv_modules/mapper_646/citrus_mapper_646.h
index 2fd9170cbeb0a..c4cb50bc0b3e2 100644
--- a/lib/libiconv_modules/mapper_646/citrus_mapper_646.h
+++ b/lib/libiconv_modules/mapper_646/citrus_mapper_646.h
@@ -2,6 +2,8 @@
 /*	$NetBSD: citrus_mapper_646.h,v 1.1 2003/06/25 09:51:45 tshiozak Exp $	*/
 
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c)2003 Citrus Project,
  * All rights reserved.
  *
diff --git a/lib/libiconv_modules/mapper_none/citrus_mapper_none.c b/lib/libiconv_modules/mapper_none/citrus_mapper_none.c
index b3d2bda96b825..59f9c23d42940 100644
--- a/lib/libiconv_modules/mapper_none/citrus_mapper_none.c
+++ b/lib/libiconv_modules/mapper_none/citrus_mapper_none.c
@@ -2,6 +2,8 @@
 /*	$NetBSD: citrus_mapper_none.c,v 1.2 2003/06/27 17:53:31 tshiozak Exp $	*/
 
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c)2003 Citrus Project,
  * All rights reserved.
  *
diff --git a/lib/libiconv_modules/mapper_none/citrus_mapper_none.h b/lib/libiconv_modules/mapper_none/citrus_mapper_none.h
index 9b4e07d5cb581..45dc72ccf2cbf 100644
--- a/lib/libiconv_modules/mapper_none/citrus_mapper_none.h
+++ b/lib/libiconv_modules/mapper_none/citrus_mapper_none.h
@@ -2,6 +2,8 @@
 /*	$NetBSD: citrus_mapper_none.h,v 1.1 2003/06/25 09:51:45 tshiozak Exp $	*/
 
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c)2003 Citrus Project,
  * All rights reserved.
  *
diff --git a/lib/libiconv_modules/mapper_serial/citrus_mapper_serial.c b/lib/libiconv_modules/mapper_serial/citrus_mapper_serial.c
index 87f362a7ef8f5..37633c15cf722 100644
--- a/lib/libiconv_modules/mapper_serial/citrus_mapper_serial.c
+++ b/lib/libiconv_modules/mapper_serial/citrus_mapper_serial.c
@@ -2,6 +2,8 @@
 /*	$NetBSD: citrus_mapper_serial.c,v 1.2 2003/07/12 15:39:20 tshiozak Exp $	*/
 
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c)2003 Citrus Project,
  * All rights reserved.
  *
diff --git a/lib/libiconv_modules/mapper_serial/citrus_mapper_serial.h b/lib/libiconv_modules/mapper_serial/citrus_mapper_serial.h
index 02cb9b1c8e508..45fb8f83d12d4 100644
--- a/lib/libiconv_modules/mapper_serial/citrus_mapper_serial.h
+++ b/lib/libiconv_modules/mapper_serial/citrus_mapper_serial.h
@@ -2,6 +2,8 @@
 /*	$NetBSD: citrus_mapper_serial.h,v 1.1 2003/06/25 09:51:46 tshiozak Exp $	*/
 
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c)2003 Citrus Project,
  * All rights reserved.
  *
diff --git a/lib/libiconv_modules/mapper_std/citrus_mapper_std.c b/lib/libiconv_modules/mapper_std/citrus_mapper_std.c
index 712e9b2f039cd..67b26692170d7 100644
--- a/lib/libiconv_modules/mapper_std/citrus_mapper_std.c
+++ b/lib/libiconv_modules/mapper_std/citrus_mapper_std.c
@@ -2,6 +2,8 @@
 /*	$NetBSD: citrus_mapper_std.c,v 1.10 2011/11/19 18:48:39 tnozaki Exp $	*/
 
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c)2003, 2006 Citrus Project,
  * All rights reserved.
  *
diff --git a/lib/libiconv_modules/mapper_std/citrus_mapper_std.h b/lib/libiconv_modules/mapper_std/citrus_mapper_std.h
index d6a0b62d3f58c..10e5a1e36770d 100644
--- a/lib/libiconv_modules/mapper_std/citrus_mapper_std.h
+++ b/lib/libiconv_modules/mapper_std/citrus_mapper_std.h
@@ -2,6 +2,8 @@
 /*	$NetBSD: citrus_mapper_std.h,v 1.1 2003/06/25 09:51:47 tshiozak Exp $	*/
 
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c)2003 Citrus Project,
  * All rights reserved.
  *
diff --git a/lib/libiconv_modules/mapper_std/citrus_mapper_std_file.h b/lib/libiconv_modules/mapper_std/citrus_mapper_std_file.h
index d433c74eb3a1b..96f0f59bef27a 100644
--- a/lib/libiconv_modules/mapper_std/citrus_mapper_std_file.h
+++ b/lib/libiconv_modules/mapper_std/citrus_mapper_std_file.h
@@ -2,6 +2,8 @@
 /*	$NetBSD: citrus_mapper_std_file.h,v 1.3 2006/09/09 14:35:17 tnozaki Exp $	*/
 
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c)2003, 2006 Citrus Project,
  * All rights reserved.
  *
diff --git a/lib/libiconv_modules/mapper_std/citrus_mapper_std_local.h b/lib/libiconv_modules/mapper_std/citrus_mapper_std_local.h
index f76f606a2d524..02e8601e4f120 100644
--- a/lib/libiconv_modules/mapper_std/citrus_mapper_std_local.h
+++ b/lib/libiconv_modules/mapper_std/citrus_mapper_std_local.h
@@ -2,6 +2,8 @@
 /*	$NetBSD: citrus_mapper_std_local.h,v 1.3 2006/09/09 14:35:17 tnozaki Exp $	*/
 
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c)2003, 2006 Citrus Project,
  * All rights reserved.
  *
diff --git a/lib/libiconv_modules/mapper_zone/citrus_mapper_zone.c b/lib/libiconv_modules/mapper_zone/citrus_mapper_zone.c
index f1117f423af4f..12d6d11711260 100644
--- a/lib/libiconv_modules/mapper_zone/citrus_mapper_zone.c
+++ b/lib/libiconv_modules/mapper_zone/citrus_mapper_zone.c
@@ -2,6 +2,8 @@
 /*	$NetBSD: citrus_mapper_zone.c,v 1.4 2003/07/12 15:39:21 tshiozak Exp $	*/
 
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c)2003 Citrus Project,
  * All rights reserved.
  *
diff --git a/lib/libiconv_modules/mapper_zone/citrus_mapper_zone.h b/lib/libiconv_modules/mapper_zone/citrus_mapper_zone.h
index 590cee6bb26bb..3274f0760e965 100644
--- a/lib/libiconv_modules/mapper_zone/citrus_mapper_zone.h
+++ b/lib/libiconv_modules/mapper_zone/citrus_mapper_zone.h
@@ -2,6 +2,8 @@
 /*	$NetBSD: citrus_mapper_zone.h,v 1.1 2003/06/25 09:51:48 tshiozak Exp $	*/
 
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c)2003 Citrus Project,
  * All rights reserved.
  *