remove spdx identifiers

1 files changed, 15 insertions, 2 deletions

diff --git a/os.h b/os.h
index bb9aa09..36a7757 100644
--- a/os.h
+++ b/os.h
@@ -1,5 +1,18 @@
-// SPDX-License-Identifier: ISC
-// SPDX-FileCopyrightText: 2024 Matthew Wozniak <me@woz.blue>
+/*
+ * Copyright © 2024 Matthew Wozniak <me@woz.blue>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED “AS IS” AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+ * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
 
 #ifndef OS_H
 #define OS_H