--- /dev/null
+/* ========================================================================
+ * Copyright 1988-2006 University of Washington
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *
+ * ========================================================================
+ */
+
+/*
+ * Program: Memory move when no bcopy()
+ *
+ * Author: Mark Crispin
+ * Networks and Distributed Computing
+ * Computing & Communications
+ * University of Washington
+ * Administration Building, AG-44
+ * Seattle, WA 98195
+ * Internet: MRC@CAC.Washington.EDU
+ *
+ * Date: 11 May 1989
+ * Last Edited: 30 August 2006
+ */
+\f
+/* Copy memory block
+ * Accepts: destination pointer
+ * source pointer
+ * length
+ * Returns: destination pointer
+ */
+
+void *memmove (void *s,void *ct,size_t n)
+{
+ char *dp,*sp;
+ int i;
+ unsigned long dest = (unsigned long) s;
+ unsigned long src = (unsigned long) ct;
+ if (((dest < src) && ((dest + n) < src)) ||
+ ((dest > src) && ((src + n) < dest))) return (void *) memcpy (s,ct,n);
+ dp = (char *) s;
+ sp = (char *) ct;
+ if (dest < src) for (i = 0; i < n; ++i) dp[i] = sp[i];
+ else if (dest > src) for (i = n - 1; i >= 0; --i) dp[i] = sp[i];
+ return s;
+}