1 files changed, 20 insertions, 0 deletions
diff --git a/string.c b/string.c
index 40019d5..54f4ba8 100644
--- a/string.c
+++ b/string.c
@@ -38,3 +38,23 @@ memcmp(const void *v1, const void *v2, unsigned n)
 
   return 0;
 }
+
+void *
+memmove(void *dst, const void *src, unsigned n)
+{
+  const char *s;
+  char *d;
+	
+  s = src;
+  d = dst;
+  if (s < d && s + n > d) {
+    s += n;
+    d += n;
+    while (n-- > 0)
+      *--d = *--s;
+  } else
+    while (n-- > 0)
+      *d++ = *s++;
+
+  return dst;
+}