older uClibc didn't include sys/socket.h from netinet/in.h, so add an
explicit #include for that too...
#include "bb_config.h"
#include "platform.h"
+#include <ctype.h>
#include <dirent.h>
+#include <fcntl.h>
#include <inttypes.h>
#include <netdb.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
+#include <string.h>
+#include <strings.h>
+#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/types.h>