* Adding libgen.h as a public header

* Implementing dirname and basename

I removed dirname from glibc/misc and reimplemented in order
to (hopefully) keep thing tidy.



git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28888 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/posix/libgen.h

@@ -0,0 +1,17 @@
+/*
+ * Copyright 2009, Haiku Inc. All Rights Reserved.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef _LIBGEN_H
+#define _LIBGEN_H
+
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+
+char	*basename(char *);
+char	*dirname(char *);
+
+__END_DECLS
+
+#endif /* _LIBGEN_H */