Add missing files.
diff --git a/contiki-cpc/lib/strcasecmp.c b/contiki-cpc/lib/strcasecmp.c
new file mode 100644
index 0000000..a4b9de4
--- /dev/null
+++ b/contiki-cpc/lib/strcasecmp.c
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2007, Takahide Matsutsuka.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ * 3. The name of the author may not be used to endorse or promote
+ * products derived from this software without specific prior
+ * written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * $Id: strcasecmp.c,v 1.1 2007/09/09 12:20:59 matsutsuka Exp $
+ *
+ */
+ /*
+ * \file
+ * This complements standard C library of sdcc.
+ * \author
+ * Takahide Matsutsuka <markn@markn.org>
+ */
+
+#include <ctype.h>
+#include "string.h"
+
+int strcasecmp(const char *str1, const char *str2)
+{
+ while (*str1 != '\0' && tolower(*str1) == tolower(*str2)) {
+ str1++;
+ str2++;
+ }
+ return tolower(*(unsigned char *)str1) - tolower(*(unsigned char *)str2);
+}