* Makefile (subdirs): Added wcsmbs.

* wcsmbs: New directory of wide char/multibyte char functions from
	drepper.

posix/getopt.c

@@ -61,6 +61,7 @@ Cambridge, MA 02139, USA.  */
 /* Don't include stdlib.h for non-GNU C libraries because some of them
    contain conflicting prototypes for getopt.  */
 #include <stdlib.h>
+#include <unistd.h>
 #endif	/* GNU C library.  */
 
 #ifndef _