Index: sphinx-2.1.8-release/api/libsphinxclient/test.c
===================================================================
--- sphinx-2.1.8-release.orig/api/libsphinxclient/test.c
+++ sphinx-2.1.8-release/api/libsphinxclient/test.c
@@ -16,6 +16,9 @@
 #include <stdarg.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/socket.h>
 
 #if _WIN32
 #include <winsock2.h>