-#include <sys/socket.h>
-#include <netdb.h>
+/* Copyright 2012 NORDUnet A/S. All rights reserved.
+ See LICENSE for licensing information. */
-char *stringcopy(const char *s, int len);
-char *addr2string(struct sockaddr *addr, socklen_t len);
-int addr_equal(struct sockaddr *a, struct sockaddr *b);
-struct sockaddr *addr_copy(struct sockaddr *in);
-void printfchars(char *prefixfmt, char *prefix, char *charfmt, char *chars, int len);
-int connectport(int type, char *host, char *port);
+char *rs_strdup (struct rs_context *ctx, const char *s);