$OpenBSD: patch-lib_compat_getent-bb_h,v 1.1 2017/11/10 21:58:26 steven Exp $
work around different getent API, adapted from
https://github.com/balabit/syslog-ng/commit/8b33cbe143b00d6af72cb5145fecd67e6158a9dd

Index: lib/compat/getent-bb.h
--- lib/compat/getent-bb.h.orig
+++ lib/compat/getent-bb.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2017 Balabit
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * As an additional exemption you are allowed to compile & link against the
+ * OpenSSL libraries as published by the OpenSSL project. See the file
+ * COPYING for details.
+ *
+ */
+
+#ifndef GETENT_BB_H_INCLUDED
+#define GETENT_BB_H_INCLUDED
+
+#if defined(sun) || defined(__sun) || defined(__OpenBSD__)
+
+#include <sys/types.h>
+#include <grp.h>
+#include <pwd.h>
+#include <netdb.h>
+
+int bb__getprotobynumber_r(int proto,
+			   struct protoent *result_buf, char *buf,
+			   size_t buflen, struct protoent **result);
+
+int bb__getprotobyname_r(const char *name,
+			 struct protoent *result_buf, char *buf,
+			 size_t buflen, struct protoent **result);
+
+int bb__getservbyport_r(int port, const char *proto,
+			struct servent *result_buf, char *buf,
+			size_t buflen, struct servent **result);
+
+int bb__getservbyname_r(const char *name, const char *proto,
+			struct servent *result_buf, char *buf,
+			size_t buflen, struct servent **result);
+
+#endif
+
+#endif
