1 files changed, 33 insertions, 0 deletions
diff --git a/REORG.TODO/string/swab.c b/REORG.TODO/string/swab.c
new file mode 100644
index 0000000000..bcdf6595b6
--- /dev/null
+++ b/REORG.TODO/string/swab.c
@@ -0,0 +1,33 @@
+/* Copyright (C) 1992-2017 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <unistd.h>
+
+void
+swab (const void *bfrom, void *bto, ssize_t n)
+{
+  const char *from = (const char *) bfrom;
+  char *to = (char *) bto;
+
+  n &= ~((ssize_t) 1);
+  while (n > 1)
+    {
+      const char b0 = from[--n], b1 = from[--n];
+      to[n] = b0;
+      to[n + 1] = b1;
+    }
+}