Index: uspace/lib/posix/Makefile
===================================================================
--- uspace/lib/posix/Makefile	(revision 339f223126caa173d7b9a9b3db00f412f160825c)
+++ uspace/lib/posix/Makefile	(revision ae1c11b416226055e511d648291c668a6081774f)
@@ -42,4 +42,5 @@
 	stdlib.c \
 	string.c \
+	strings.c \
 	sys/stat.c \
 	time.c \
Index: uspace/lib/posix/strings.c
===================================================================
--- uspace/lib/posix/strings.c	(revision ae1c11b416226055e511d648291c668a6081774f)
+++ uspace/lib/posix/strings.c	(revision ae1c11b416226055e511d648291c668a6081774f)
@@ -0,0 +1,89 @@
+/*
+ * Copyright (c) 2011 Jiri Zarevucky
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - 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.
+ * - 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.
+ */
+
+/** @addtogroup libposix
+ * @{
+ */
+/** @file
+ */
+
+#define POSIX_INTERNAL
+
+#include "common.h"
+#include "strings.h"
+#include "string.h"
+
+int posix_ffs(int i)
+{
+	// TODO
+	not_implemented();
+}
+
+int posix_strcasecmp(const char *s1, const char *s2)
+{
+	// TODO
+	not_implemented();
+}
+
+int posix_strncasecmp(const char *s1, const char *s2, size_t n)
+{
+	// TODO
+	not_implemented();
+}
+
+int posix_bcmp(const void *mem1, const void *mem2, size_t n)
+{
+	// TODO
+	not_implemented();
+}
+
+void posix_bcopy(const void *dest, void *src, size_t n)
+{
+	// TODO
+	not_implemented();
+}
+
+void posix_bzero(void *mem, size_t n)
+{
+	// TODO
+	not_implemented();
+}
+
+char *posix_index(const char *s, int c)
+{
+	return posix_strchr(s, c);
+}
+
+char *posix_rindex(const char *s, int c)
+{
+	return posix_strrchr(s, c);
+}
+
+/** @}
+ */
+
Index: uspace/lib/posix/strings.h
===================================================================
--- uspace/lib/posix/strings.h	(revision ae1c11b416226055e511d648291c668a6081774f)
+++ uspace/lib/posix/strings.h	(revision ae1c11b416226055e511d648291c668a6081774f)
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2011 Jiri Zarevucky
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - 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.
+ * - 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.
+ */
+
+/** @addtogroup libposix
+ * @{
+ */
+/** @file
+ */
+
+#ifndef POSIX_STRINGS_H_
+#define POSIX_STRINGS_H_
+
+extern int posix_ffs(int);
+
+extern int posix_strcasecmp(const char *, const char *);
+extern int posix_strncasecmp(const char *, const char *, size_t);
+
+/* TODO: not implemented due to missing locale.h
+ *
+ * int strcasecmp_l(const char *, const char *, locale_t);
+ * int strncasecmp_l(const char *, const char *, size_t, locale_t);
+ */
+
+
+/* Legacy Functions */
+
+extern int posix_bcmp(const void *, const void *, size_t);
+extern void posix_bcopy(const void *, void *, size_t);
+extern void posix_bzero(void *, size_t);
+extern char *posix_index(const char *, int);
+extern char *posix_rindex(const char *, int);
+
+#ifndef LIBPOSIX_INTERNAL
+	#define ffs posix_ffs
+	#define strcasecmp posix_strcasecmp
+	#define strncasecmp posix_strncasecmp
+	
+	#define bcmp posix_bcmp
+	#define bcopy posix_bcopy
+	#undef bzero
+	#define bzero posix_bzero
+	#define index posix_index
+	#define rindex posix_rindex
+#endif
+
+#endif  // POSIX_STRINGS_H_
+
+/** @}
+ */