diff --git a/src/include/string.h b/src/include/string.h
index 2d246a0..8948762 100644
--- a/src/include/string.h
+++ b/src/include/string.h
@@ -27,6 +27,7 @@
 #include <sys/cdefs.h>
 #include <sys/_null.h>
 #include <sys/_types.h>
+#include <strings.h>
 
 #ifndef _SIZE_T_DECLARED
 typedef __size_t        size_t;
diff --git a/src/include/sys/types.h b/src/include/sys/types.h
index f28790b..08f9591 100644
--- a/src/include/sys/types.h
+++ b/src/include/sys/types.h
@@ -63,6 +63,9 @@
 
 /**** END ****/
 
+typedef unsigned char   u_char;
+typedef unsigned int    u_int;
+
 typedef unsigned short uShort;
 typedef unsigned long  uLong;
 typedef unsigned char  uChar;
diff --git a/src/lib/libc_old/locale/collate.h b/src/lib/libc_old/locale/collate.h
new file mode 100644
index 0000000..334d6ee
--- /dev/null
+++ b/src/lib/libc_old/locale/collate.h
@@ -0,0 +1,67 @@
+/*-
+ * Copyright (c) 1995 Alex Tatmanjants <alex@elvisti.kiev.ua>
+ *		at Electronni Visti IA, Kiev, Ukraine.
+ *			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.
+ *
+ * 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.
+ *
+ * $FreeBSD: src/lib/libc/locale/collate.h,v 1.14 2002/08/30 20:26:02 ache Exp $
+ */
+
+#ifndef _COLLATE_H_
+#define	_COLLATE_H_
+
+#include <sys/cdefs.h>
+#include <sys/types.h>
+#include <limits.h>
+
+#define STR_LEN 10
+#define TABLE_SIZE 100
+#define COLLATE_VERSION    "1.0\n"
+#define COLLATE_VERSION1_1 "1.1\n"
+
+struct __collate_st_char_pri {
+	int prim, sec;
+};
+struct __collate_st_chain_pri {
+	u_char str[STR_LEN];
+	int prim, sec;
+};
+
+extern int __collate_load_error;
+extern int __collate_substitute_nontrivial;
+#define __collate_substitute_table (*__collate_substitute_table_ptr)
+extern u_char __collate_substitute_table[UCHAR_MAX + 1][STR_LEN];
+#define __collate_char_pri_table (*__collate_char_pri_table_ptr)
+extern struct __collate_st_char_pri __collate_char_pri_table[UCHAR_MAX + 1];
+extern struct __collate_st_chain_pri *__collate_chain_pri_table;
+
+u_char	*__collate_strdup(u_char *);
+u_char	*__collate_substitute(const u_char *);
+int	__collate_load_tables(const char *);
+void	__collate_lookup(const u_char *, int *, int *, int *);
+int	__collate_range_cmp(int, int);
+#ifdef COLLATE_DEBUG
+void	__collate_print_tables(void);
+#endif
+
+#endif /* !_COLLATE_H_ */
diff --git a/src/lib/libc_old/locale/tolower.c b/src/lib/libc_old/locale/tolower.c
index 72888c6..9521296 100644
--- a/src/lib/libc_old/locale/tolower.c
+++ b/src/lib/libc_old/locale/tolower.c
@@ -20,7 +20,7 @@
  $Id$
 
 **************************************************************************************/
-int  tolower (int c) {
+int  ___tolower (int c) {
         if (c >= 'A' && c <= 'Z') c += ('a' - 'A');
                 return c;
 }