Test POSIX 1003.1 2016 chapter 13 "Headers".

And fix one thing that this found: apparently <stdlib.h> should also
make the various *WAIT* macros available.

Bug: N/A
Test: builds
Change-Id: Id879bf3c1bddd1170261a809e7280150a74d6b3d
diff --git a/tests/headers/posix/syslog_h.c b/tests/headers/posix/syslog_h.c
new file mode 100644
index 0000000..b43f49e
--- /dev/null
+++ b/tests/headers/posix/syslog_h.c
@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <syslog.h>
+
+#include "header_checks.h"
+
+static void syslog_h() {
+  MACRO(LOG_PID);
+  MACRO(LOG_CONS);
+  MACRO(LOG_NDELAY);
+  MACRO(LOG_ODELAY);
+  MACRO(LOG_NOWAIT);
+
+  MACRO(LOG_KERN);
+  MACRO(LOG_USER);
+  MACRO(LOG_MAIL);
+  MACRO(LOG_NEWS);
+  MACRO(LOG_UUCP);
+  MACRO(LOG_DAEMON);
+  MACRO(LOG_AUTH);
+  MACRO(LOG_CRON);
+  MACRO(LOG_LPR);
+  MACRO(LOG_LOCAL0);
+  MACRO(LOG_LOCAL1);
+  MACRO(LOG_LOCAL2);
+  MACRO(LOG_LOCAL3);
+  MACRO(LOG_LOCAL4);
+  MACRO(LOG_LOCAL5);
+  MACRO(LOG_LOCAL6);
+  MACRO(LOG_LOCAL7);
+
+#if !defined(LOG_MASK)
+#error LOG_MASK
+#endif
+
+  MACRO(LOG_EMERG);
+  MACRO(LOG_ALERT);
+  MACRO(LOG_CRIT);
+  MACRO(LOG_ERR);
+  MACRO(LOG_WARNING);
+  MACRO(LOG_NOTICE);
+  MACRO(LOG_INFO);
+  MACRO(LOG_DEBUG);
+
+  FUNCTION(closelog, void (*f)(void));
+  FUNCTION(openlog, void (*f)(const char*, int, int));
+  FUNCTION(setlogmask, int (*f)(int));
+  FUNCTION(syslog, void (*f)(int, const char*, ...));
+}