1 files changed, 24 insertions, 0 deletions
diff --git a/missing/memmove.c b/missing/memmove.c
new file mode 100644
index 0000000000..09e64702b6
--- /dev/null
+++ b/missing/memmove.c
@@ -0,0 +1,24 @@
+/*
+ * memmove --- move memories.
+ *
+ * We supply this routine for those systems that aren't standard yet.
+ */
+
+char *
+memmove (dst, src, n)
+     char *dst, *src;
+     int n;
+{
+  char *ret = dst;
+
+  if (src < dst) {
+    src += n;
+    dst += n;
+    while (n--)
+      *--dst = *--src;
+  }
+  else if (dst < src)
+    while (n--)
+      *dst++ = *src++;
+  return ret;
+}