1 files changed, 1 insertions, 1 deletions
diff --git a/ext/socket/rubysocket.h b/ext/socket/rubysocket.h
index f0e4f3a4a0..2a4c6e136a 100644
--- a/ext/socket/rubysocket.h
+++ b/ext/socket/rubysocket.h
@@ -139,6 +139,7 @@
 #include "ruby/thread.h"
 #include "ruby/util.h"
 #include "sockport.h"
+#include "ruby/fiber/scheduler.h"
 
 #ifndef HAVE_TYPE_SOCKLEN_T
 typedef int socklen_t;
@@ -313,7 +314,6 @@ struct rb_addrinfo {
   struct addrinfo *ai;
   int allocated_by_malloc;
 };
-int rb_getaddrinfo(const char *node, const char *service, const struct addrinfo *hints, struct rb_addrinfo **res);
 void rb_freeaddrinfo(struct rb_addrinfo *ai);
 VALUE rsock_freeaddrinfo(VALUE arg);
 int rb_getnameinfo(const struct sockaddr *sa, socklen_t salen, char *host, size_t hostlen, char *serv, size_t servlen, int flags);