Merge remote branch 'origin/master' into nptl

Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

11 files changed, 1622 insertions, 29 deletions

diff --git a/test/.gitignore b/test/.gitignore
index 1e7cd584e..4d9df1909 100644
--- a/test/.gitignore
+++ b/test/.gitignore
@@ -114,9 +114,15 @@ malloc/tst-[cmv]alloc
 malloc/tst-mallocfork
 malloc/tst-mcheck
 malloc/tst-obstack
+math/basic-test
 math/libm-test-ulps.h
 math/libm-test.c
+math/rint
+math/test-double
+math/test-float
 math/test-fpucw
+math/test-idouble
+math/test-ifloat
 math/tst-definitions
 misc/bug-glob2
 misc/bug-readdir1
@@ -184,6 +190,7 @@ nptl/tst-tls[35]mod.so
 nptl/tst-tls6.sh
 nptl/tst-tsd[1-5]
 nptl/tst-umask1
+pthread/cancellation-points
 pthread/ex[1-7]
 pthread/tst-too-many-cleanups
 pwd_grp/getgroups
@@ -256,6 +263,7 @@ unistd/clone
 unistd/errno
 unistd/exec-null
 unistd/fork
+unistd/getconf
 unistd/getcwd
 unistd/getopt
 unistd/getopt_long
diff --git a/test/Rules.mak b/test/Rules.mak
index 492b99706..6acc13ffa 100644
--- a/test/Rules.mak
+++ b/test/Rules.mak
@@ -5,9 +5,7 @@
 # Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
 #
 
-#
-# Note: This does not read the top level Rules.mak file
-#
+.SUFFIXES:
 
 top_builddir ?= ../
 
@@ -67,7 +65,7 @@ CFLAGS         += $(OPTIMIZATION) $(CPU_CFLAGS) $(XWARNINGS)
 # Just adding -Os for now.
 HOST_CFLAGS    += $(XCOMMON_CFLAGS) -Os $(XWARNINGS)
 
-LDFLAGS        := $(CPU_LDFLAGS-y)
+LDFLAGS        := $(CPU_LDFLAGS-y) -Wl,-z,defs -Wl,-z,now
 ifeq ($(DODEBUG),y)
 	CFLAGS        += -g
 	HOST_CFLAGS   += -g
diff --git a/test/Test.mak b/test/Test.mak
index 0c5629144..6aa835623 100644
--- a/test/Test.mak
+++ b/test/Test.mak
@@ -29,10 +29,14 @@ TARGETS   += $(G_TARGETS)
 endif
 
 CLEAN_TARGETS := $(U_TARGETS) $(G_TARGETS)
+CLEAN_TARGETS += $(TESTS_DISABLED) $(addsuffix _glibc,$(TESTS_DISABLED))
 COMPILE_TARGETS :=  $(TARGETS)
 RUN_TARGETS := $(addsuffix .exe,$(TARGETS))
+# provide build rules even for disabled tests:
+U_TARGETS += $(TESTS_DISABLED)
+G_TARGETS += $(addsuffix _glibc,$(TESTS_DISABLED))
 TARGETS += $(SHELL_TESTS)
-CFLAGS+=$(CFLAGS_$(notdir $(CURDIR)))
+CFLAGS += $(CFLAGS_$(notdir $(CURDIR)))
 
 define binary_name
 $(patsubst %.exe,%,$@)
@@ -100,7 +104,9 @@ $(G_TARGETS): $(U_TARGET_SRCS) $(MAKE_SRCS)
 
 shell_%:
 	$(showtest)
+	$(Q)$(if $(PRE_RUN_$(@)),$(PRE_RUN_$(@)))
 	$(Q)$(SHELL) $(patsubst shell_%,%.sh,$(binary_name))
+	$(Q)$(if $(POST_RUN_$(@)),$(POST_RUN_$(@)))
 
 %.so: %.c
 	$(showlink)
diff --git a/test/pthread/cancellation-points.c b/test/pthread/cancellation-points.c
index 3fe49fcaa..af5df3aa1 100644
--- a/test/pthread/cancellation-points.c
+++ b/test/pthread/cancellation-points.c
@@ -149,7 +149,9 @@ MAKE_CANCEL_THREAD_FUNC(sigwaitinfo, (NULL, NULL))
 MAKE_CANCEL_THREAD_FUNC(sleep, (0))
 MAKE_CANCEL_THREAD_FUNC(system, (""))
 MAKE_CANCEL_THREAD_FUNC(tcdrain, (-1))
+#ifdef __UCLIBC_SUSV3_LEGACY__
 MAKE_CANCEL_THREAD_FUNC(usleep, (0))
+#endif
 MAKE_CANCEL_THREAD_FUNC(wait, (NULL))
 MAKE_CANCEL_THREAD_FUNC(waitid, (0, 0, NULL, 0))
 MAKE_CANCEL_THREAD_FUNC(waitpid, (-1, NULL, 0))
@@ -264,7 +266,9 @@ int main(int argc, char *argv[])
 	ret += TEST_FUNC(sleep);
 	ret += TEST_FUNC(system);
 	ret += TEST_FUNC(tcdrain);
+#ifdef __UCLIBC_SUSV3_LEGACY__
 	ret += TEST_FUNC(usleep);
+#endif
 	ret += TEST_FUNC(wait);
 	ret += TEST_FUNC(waitid);
 	ret += TEST_FUNC(waitpid);
diff --git a/test/pthread/ex6.c b/test/pthread/ex6.c
index bb96ca5fa..ffb628771 100644
--- a/test/pthread/ex6.c
+++ b/test/pthread/ex6.c
@@ -2,7 +2,7 @@
 #include <stdio.h>
 #include <string.h>
 #include <pthread.h>
-#include <unistd.h>
+#include <time.h>
 
 static void *
 test_thread (void *v_param)
@@ -14,6 +14,9 @@ int
 main (void)
 {
   unsigned long count;
+  struct timespec ts;
+  ts.tv_sec = 0;
+  ts.tv_nsec = 10 * 1000;
 
   setvbuf (stdout, NULL, _IONBF, 0);
 
@@ -35,7 +38,7 @@ main (void)
 	}
       /* pthread_detach (thread); */
       pthread_join (thread, NULL);
-      usleep (10);
+      nanosleep (&ts, NULL);
     }
   return 0;
 }
diff --git a/test/pthread/ex7.c b/test/pthread/ex7.c
index 49af18d96..8eeb9a2e5 100644
--- a/test/pthread/ex7.c
+++ b/test/pthread/ex7.c
@@ -8,7 +8,7 @@
 #include <string.h>
 #include <pthread.h>
 #include <sys/time.h>
-#include <unistd.h>
+#include <time.h>
 
 /* Our event variable using a condition variable contruct. */
 typedef struct {
@@ -63,6 +63,9 @@ int
 main (void)
 {
   unsigned long count;
+  struct timespec ts;
+  ts.tv_sec = 0;
+  ts.tv_nsec = 10 * 1000;
 
   setvbuf (stdout, NULL, _IONBF, 0);
 
@@ -96,7 +99,7 @@ main (void)
 	  printf ("count = %lu\n", count);
       }
 
-      usleep (10);
+      nanosleep (&ts, NULL);
   }
 
   return 0;
diff --git a/test/time/Makefile.in b/test/time/Makefile.in
index 65d814a71..05f73a45d 100644
--- a/test/time/Makefile.in
+++ b/test/time/Makefile.in
@@ -9,3 +9,4 @@ TESTS_DISABLED += tst-ftime_l
 endif
 
 CFLAGS_tst-strptime2 := -std=c99
+DODIFF_futimens1 := 1
diff --git a/test/time/tst-futimens1.c b/test/time/tst-futimens1.c
index a452de2c7..ed7f44feb 100644
--- a/test/time/tst-futimens1.c
+++ b/test/time/tst-futimens1.c
@@ -1,5 +1,5 @@
 /* vi: set sw=4 ts=4: */
-/* testcase
+/* testcase for futimens(2)
  * Copyright (C) 2009 Bernhard Reutner-Fischer <uClibc@uClibc.org>
  * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
  */
@@ -30,7 +30,16 @@ int do_test(int argc, char **argv) {
 	char *name;
 	int i, errors;
 	errors = argc - argc + 0;
-
+	unsigned has_stat_nsec = 0;
+	{
+		struct stat probe;
+		/* Let's attempt an educated guess if this filesystem supports
+		 * nanosecond mtime.  */
+		if ((!stat(".", &probe)) && probe.st_mtim.tv_nsec)
+			has_stat_nsec = 1;
+		else if ((!stat(argv[0], &probe)) && probe.st_mtim.tv_nsec)
+			has_stat_nsec = 1;
+	}
 	for (i=0; i < (int) (sizeof(tests)/sizeof(tests[0])); ++i) {
 		int err, fd;
 		struct stat sb;
@@ -44,19 +53,18 @@ int do_test(int argc, char **argv) {
 		err = futimens(fd, tests[i].ts);
 		if ((errno && !err) || (!errno && err)) {
 			err = errno;
-			printf("%s: FAILED test %d (errno and return value disagree)\n",
-				argv[0], i);
+			printf("FAILED test %d (errno and return value disagree)\n", i);
 			++errors;
 		} else
 			err = errno;
 		if (err != tests[i].err) {
-			printf("%s: FAILED test %d (expected errno %d, got %d)\n",
-				argv[0], i, tests[i].err, err);
+			printf("FAILED test %d (expected errno %d, got %d)\n",
+				i, tests[i].err, err);
 			++errors;
 			continue;
 		}
 		if (stat(name, &sb) < 0) {
-			printf("%s: FAILED test %d (verification)\n", argv[0], i);
+			printf("FAILED test %d (verification)\n", i);
 			++errors;
 			continue;
 		} else {
@@ -65,20 +73,27 @@ int do_test(int argc, char **argv) {
 						tests[i].ts[1].tv_sec != sb.st_mtim.tv_sec ||
 						tests[i].ts[1].tv_nsec != sb.st_mtim.tv_nsec;
 			if (wrong) {
-				++errors;
-				if (tests[i].ts[0].tv_sec != sb.st_atim.tv_sec)
-					printf("%s: FAILED test %d (access time, sec: expected %ld, got %ld)\n",
-						argv[0], i, tests[i].ts[0].tv_sec, sb.st_atim.tv_sec);
-				if (tests[i].ts[0].tv_nsec != sb.st_atim.tv_nsec)
-					printf("%s: FAILED test %d (access time, nsec: expected %ld, got %ld)\n",
-						argv[0], i, tests[i].ts[0].tv_nsec, sb.st_atim.tv_nsec);
+				if (tests[i].ts[0].tv_sec != sb.st_atim.tv_sec) {
+					printf("FAILED test %d (access time, sec: expected %ld, got %ld)\n",
+						i, tests[i].ts[0].tv_sec, sb.st_atim.tv_sec);
+						++errors;
+				}
+				if (tests[i].ts[0].tv_nsec != sb.st_atim.tv_nsec) {
+					printf("FAILED test %d (access time, nsec: expected %ld, got %ld)\n",
+						i, tests[i].ts[0].tv_nsec, sb.st_atim.tv_nsec);
+					errors += has_stat_nsec;
+				}
 
-				if (tests[i].ts[1].tv_sec != sb.st_mtim.tv_sec)
-					printf("%s: FAILED test %d (modification time, sec: expected %ld, got %ld)\n",
-						argv[0], i, tests[i].ts[1].tv_sec, sb.st_mtim.tv_sec);
-				if (tests[i].ts[1].tv_nsec != sb.st_mtim.tv_nsec)
-					printf("%s: FAILED test %d (modification time, nsec: expected %ld, got %ld)\n",
-						argv[0], i, tests[i].ts[1].tv_nsec, sb.st_mtim.tv_nsec);
+				if (tests[i].ts[1].tv_sec != sb.st_mtim.tv_sec) {
+					printf("FAILED test %d (modification time, sec: expected %ld, got %ld)\n",
+						i, tests[i].ts[1].tv_sec, sb.st_mtim.tv_sec);
+						++errors;
+				}
+				if (tests[i].ts[1].tv_nsec != sb.st_mtim.tv_nsec) {
+					printf("FAILED test %d (modification time, nsec: expected %ld, got %ld)\n",
+						i, tests[i].ts[1].tv_nsec, sb.st_mtim.tv_nsec);
+					errors += has_stat_nsec;
+				}
 			}
 		}
 	}
diff --git a/test/unistd/Makefile.in b/test/unistd/Makefile.in
index ecc4219bb..ae0eeb499 100644
--- a/test/unistd/Makefile.in
+++ b/test/unistd/Makefile.in
@@ -9,3 +9,7 @@ else
 # reordering is not supported, behaves as if POSIXLY_CORRECT would be set
 OPTS_tstgetopt   := -a -b -cfoobar --required foobar --optional=bazbug --none --colou --color --colour random
 endif
+
+TESTS_DISABLED+=getconf
+CFLAGS_getconf = -DGETCONF_DIR='"$(CURDIR)"'
+shell_tst-getconf: getconf getconf_glibc
diff --git a/test/unistd/getconf.c b/test/unistd/getconf.c
new file mode 100644
index 000000000..81566df7b
--- /dev/null
+++ b/test/unistd/getconf.c
@@ -0,0 +1,1313 @@
+/* Copyright (C) 1991, 92, 1995-2008, 2009 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published
+   by the Free Software Foundation; version 2 of the License, or
+   (at your option) any later version.
+
+   This program 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#include <unistd.h>
+#include <errno.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#define PACKAGE "getconf regression test"
+#define VERSION ""
+#ifndef _
+# define _
+#endif
+#define error(status, errnum,...) \
+	{fprintf(stderr, __VA_ARGS__); exit(status);}
+
+
+struct conf
+  {
+    const char *name;
+    const int call_name;
+    const enum { SYSCONF, CONFSTR, PATHCONF } call;
+  };
+
+static const struct conf vars[] =
+  {
+#ifdef _PC_LINK_MAX
+    { "LINK_MAX", _PC_LINK_MAX, PATHCONF },
+#endif
+#ifdef _PC_LINK_MAX
+    { "_POSIX_LINK_MAX", _PC_LINK_MAX, PATHCONF },
+#endif
+#ifdef _PC_MAX_CANON
+    { "MAX_CANON", _PC_MAX_CANON, PATHCONF },
+#endif
+#ifdef _PC_MAX_CANON
+    { "_POSIX_MAX_CANON", _PC_MAX_CANON, PATHCONF },
+#endif
+#ifdef _PC_MAX_INPUT
+    { "MAX_INPUT", _PC_MAX_INPUT, PATHCONF },
+#endif
+#ifdef _PC_MAX_INPUT
+    { "_POSIX_MAX_INPUT", _PC_MAX_INPUT, PATHCONF },
+#endif
+#ifdef _PC_NAME_MAX
+    { "NAME_MAX", _PC_NAME_MAX, PATHCONF },
+#endif
+#ifdef _PC_NAME_MAX
+    { "_POSIX_NAME_MAX", _PC_NAME_MAX, PATHCONF },
+#endif
+#ifdef _PC_PATH_MAX
+    { "PATH_MAX", _PC_PATH_MAX, PATHCONF },
+#endif
+#ifdef _PC_PATH_MAX
+    { "_POSIX_PATH_MAX", _PC_PATH_MAX, PATHCONF },
+#endif
+#ifdef _PC_PIPE_BUF
+    { "PIPE_BUF", _PC_PIPE_BUF, PATHCONF },
+#endif
+#ifdef _PC_PIPE_BUF
+    { "_POSIX_PIPE_BUF", _PC_PIPE_BUF, PATHCONF },
+#endif
+#ifdef _PC_SOCK_MAXBUF
+    { "SOCK_MAXBUF", _PC_SOCK_MAXBUF, PATHCONF },
+#endif
+#ifdef _PC_ASYNC_IO
+    { "_POSIX_ASYNC_IO", _PC_ASYNC_IO, PATHCONF },
+#endif
+#ifdef _PC_CHOWN_RESTRICTED
+    { "_POSIX_CHOWN_RESTRICTED", _PC_CHOWN_RESTRICTED, PATHCONF },
+#endif
+#ifdef _PC_NO_TRUNC
+    { "_POSIX_NO_TRUNC", _PC_NO_TRUNC, PATHCONF },
+#endif
+#ifdef _PC_PRIO_IO
+    { "_POSIX_PRIO_IO", _PC_PRIO_IO, PATHCONF },
+#endif
+#ifdef _PC_SYNC_IO
+    { "_POSIX_SYNC_IO", _PC_SYNC_IO, PATHCONF },
+#endif
+#ifdef _PC_VDISABLE
+    { "_POSIX_VDISABLE", _PC_VDISABLE, PATHCONF },
+#endif
+
+#ifdef _SC_ARG_MAX
+    { "ARG_MAX", _SC_ARG_MAX, SYSCONF },
+#endif
+#ifdef _SC_ATEXIT_MAX
+    { "ATEXIT_MAX", _SC_ATEXIT_MAX, SYSCONF },
+#endif
+#ifdef _SC_CHAR_BIT
+    { "CHAR_BIT", _SC_CHAR_BIT, SYSCONF },
+#endif
+#ifdef _SC_CHAR_MAX
+    { "CHAR_MAX", _SC_CHAR_MAX, SYSCONF },
+#endif
+#ifdef _SC_CHAR_MIN
+    { "CHAR_MIN", _SC_CHAR_MIN, SYSCONF },
+#endif
+#ifdef _SC_CHILD_MAX
+    { "CHILD_MAX", _SC_CHILD_MAX, SYSCONF },
+#endif
+#ifdef _SC_CLK_TCK
+    { "CLK_TCK", _SC_CLK_TCK, SYSCONF },
+#endif
+#ifdef _SC_INT_MAX
+    { "INT_MAX", _SC_INT_MAX, SYSCONF },
+#endif
+#ifdef _SC_INT_MIN
+    { "INT_MIN", _SC_INT_MIN, SYSCONF },
+#endif
+#ifdef _SC_UIO_MAXIOV
+    { "IOV_MAX", _SC_UIO_MAXIOV, SYSCONF },
+#endif
+#ifdef _SC_LOGIN_NAME_MAX
+    { "LOGNAME_MAX", _SC_LOGIN_NAME_MAX, SYSCONF },
+#endif
+#ifdef _SC_LONG_BIT
+    { "LONG_BIT", _SC_LONG_BIT, SYSCONF },
+#endif
+#ifdef _SC_MB_LEN_MAX
+    { "MB_LEN_MAX", _SC_MB_LEN_MAX, SYSCONF },
+#endif
+#ifdef _SC_NGROUPS_MAX
+    { "NGROUPS_MAX", _SC_NGROUPS_MAX, SYSCONF },
+#endif
+#ifdef _SC_NL_ARGMAX
+    { "NL_ARGMAX", _SC_NL_ARGMAX, SYSCONF },
+#endif
+#ifdef _SC_NL_LANGMAX
+    { "NL_LANGMAX", _SC_NL_LANGMAX, SYSCONF },
+#endif
+#ifdef _SC_NL_MSGMAX
+    { "NL_MSGMAX", _SC_NL_MSGMAX, SYSCONF },
+#endif
+#ifdef _SC_NL_NMAX
+    { "NL_NMAX", _SC_NL_NMAX, SYSCONF },
+#endif
+#ifdef _SC_NL_SETMAX
+    { "NL_SETMAX", _SC_NL_SETMAX, SYSCONF },
+#endif
+#ifdef _SC_NL_TEXTMAX
+    { "NL_TEXTMAX", _SC_NL_TEXTMAX, SYSCONF },
+#endif
+#ifdef _SC_GETGR_R_SIZE_MAX
+    { "NSS_BUFLEN_GROUP", _SC_GETGR_R_SIZE_MAX, SYSCONF },
+#endif
+#ifdef _SC_GETPW_R_SIZE_MAX
+    { "NSS_BUFLEN_PASSWD", _SC_GETPW_R_SIZE_MAX, SYSCONF },
+#endif
+#ifdef _SC_NZERO
+    { "NZERO", _SC_NZERO, SYSCONF },
+#endif
+#ifdef _SC_OPEN_MAX
+    { "OPEN_MAX", _SC_OPEN_MAX, SYSCONF },
+#endif
+#ifdef _SC_PAGESIZE
+    { "PAGESIZE", _SC_PAGESIZE, SYSCONF },
+#endif
+#ifdef _SC_PAGESIZE
+    { "PAGE_SIZE", _SC_PAGESIZE, SYSCONF },
+#endif
+#ifdef _SC_PASS_MAX
+    { "PASS_MAX", _SC_PASS_MAX, SYSCONF },
+#endif
+#ifdef _SC_THREAD_DESTRUCTOR_ITERATIONS
+    { "PTHREAD_DESTRUCTOR_ITERATIONS", _SC_THREAD_DESTRUCTOR_ITERATIONS, SYSCONF },
+#endif
+#ifdef _SC_THREAD_KEYS_MAX
+    { "PTHREAD_KEYS_MAX", _SC_THREAD_KEYS_MAX, SYSCONF },
+#endif
+#ifdef _SC_THREAD_STACK_MIN
+    { "PTHREAD_STACK_MIN", _SC_THREAD_STACK_MIN, SYSCONF },
+#endif
+#ifdef _SC_THREAD_THREADS_MAX
+    { "PTHREAD_THREADS_MAX", _SC_THREAD_THREADS_MAX, SYSCONF },
+#endif
+#ifdef _SC_SCHAR_MAX
+    { "SCHAR_MAX", _SC_SCHAR_MAX, SYSCONF },
+#endif
+#ifdef _SC_SCHAR_MIN
+    { "SCHAR_MIN", _SC_SCHAR_MIN, SYSCONF },
+#endif
+#ifdef _SC_SHRT_MAX
+    { "SHRT_MAX", _SC_SHRT_MAX, SYSCONF },
+#endif
+#ifdef _SC_SHRT_MIN
+    { "SHRT_MIN", _SC_SHRT_MIN, SYSCONF },
+#endif
+#ifdef _SC_SSIZE_MAX
+    { "SSIZE_MAX", _SC_SSIZE_MAX, SYSCONF },
+#endif
+#ifdef _SC_TTY_NAME_MAX
+    { "TTY_NAME_MAX", _SC_TTY_NAME_MAX, SYSCONF },
+#endif
+#ifdef _SC_TZNAME_MAX
+    { "TZNAME_MAX", _SC_TZNAME_MAX, SYSCONF },
+#endif
+#ifdef _SC_UCHAR_MAX
+    { "UCHAR_MAX", _SC_UCHAR_MAX, SYSCONF },
+#endif
+#ifdef _SC_UINT_MAX
+    { "UINT_MAX", _SC_UINT_MAX, SYSCONF },
+#endif
+#ifdef _SC_UIO_MAXIOV
+    { "UIO_MAXIOV", _SC_UIO_MAXIOV, SYSCONF },
+#endif
+#ifdef _SC_ULONG_MAX
+    { "ULONG_MAX", _SC_ULONG_MAX, SYSCONF },
+#endif
+#ifdef _SC_USHRT_MAX
+    { "USHRT_MAX", _SC_USHRT_MAX, SYSCONF },
+#endif
+#ifdef _SC_WORD_BIT
+    { "WORD_BIT", _SC_WORD_BIT, SYSCONF },
+#endif
+#ifdef _SC_AVPHYS_PAGES
+    { "_AVPHYS_PAGES", _SC_AVPHYS_PAGES, SYSCONF },
+#endif
+#ifdef _SC_NPROCESSORS_CONF
+    { "_NPROCESSORS_CONF", _SC_NPROCESSORS_CONF, SYSCONF },
+#endif
+#ifdef _SC_NPROCESSORS_ONLN
+    { "_NPROCESSORS_ONLN", _SC_NPROCESSORS_ONLN, SYSCONF },
+#endif
+#ifdef _SC_PHYS_PAGES
+    { "_PHYS_PAGES", _SC_PHYS_PAGES, SYSCONF },
+#endif
+#ifdef _SC_ARG_MAX
+    { "_POSIX_ARG_MAX", _SC_ARG_MAX, SYSCONF },
+#endif
+#ifdef _SC_ASYNCHRONOUS_IO
+    { "_POSIX_ASYNCHRONOUS_IO", _SC_ASYNCHRONOUS_IO, SYSCONF },
+#endif
+#ifdef _SC_CHILD_MAX
+    { "_POSIX_CHILD_MAX", _SC_CHILD_MAX, SYSCONF },
+#endif
+#ifdef _SC_FSYNC
+    { "_POSIX_FSYNC", _SC_FSYNC, SYSCONF },
+#endif
+#ifdef _SC_JOB_CONTROL
+    { "_POSIX_JOB_CONTROL", _SC_JOB_CONTROL, SYSCONF },
+#endif
+#ifdef _SC_MAPPED_FILES
+    { "_POSIX_MAPPED_FILES", _SC_MAPPED_FILES, SYSCONF },
+#endif
+#ifdef _SC_MEMLOCK
+    { "_POSIX_MEMLOCK", _SC_MEMLOCK, SYSCONF },
+#endif
+#ifdef _SC_MEMLOCK_RANGE
+    { "_POSIX_MEMLOCK_RANGE", _SC_MEMLOCK_RANGE, SYSCONF },
+#endif
+#ifdef _SC_MEMORY_PROTECTION
+    { "_POSIX_MEMORY_PROTECTION", _SC_MEMORY_PROTECTION, SYSCONF },
+#endif
+#ifdef _SC_MESSAGE_PASSING
+    { "_POSIX_MESSAGE_PASSING", _SC_MESSAGE_PASSING, SYSCONF },
+#endif
+#ifdef _SC_NGROUPS_MAX
+    { "_POSIX_NGROUPS_MAX", _SC_NGROUPS_MAX, SYSCONF },
+#endif
+#ifdef _SC_OPEN_MAX
+    { "_POSIX_OPEN_MAX", _SC_OPEN_MAX, SYSCONF },
+#endif
+#ifdef _SC_PII
+    { "_POSIX_PII", _SC_PII, SYSCONF },
+#endif
+#ifdef _SC_PII_INTERNET
+    { "_POSIX_PII_INTERNET", _SC_PII_INTERNET, SYSCONF },
+#endif
+#ifdef _SC_PII_INTERNET_DGRAM
+    { "_POSIX_PII_INTERNET_DGRAM", _SC_PII_INTERNET_DGRAM, SYSCONF },
+#endif
+#ifdef _SC_PII_INTERNET_STREAM
+    { "_POSIX_PII_INTERNET_STREAM", _SC_PII_INTERNET_STREAM, SYSCONF },
+#endif
+#ifdef _SC_PII_OSI
+    { "_POSIX_PII_OSI", _SC_PII_OSI, SYSCONF },
+#endif
+#ifdef _SC_PII_OSI_CLTS
+    { "_POSIX_PII_OSI_CLTS", _SC_PII_OSI_CLTS, SYSCONF },
+#endif
+#ifdef _SC_PII_OSI_COTS
+    { "_POSIX_PII_OSI_COTS", _SC_PII_OSI_COTS, SYSCONF },
+#endif
+#ifdef _SC_PII_OSI_M
+    { "_POSIX_PII_OSI_M", _SC_PII_OSI_M, SYSCONF },
+#endif
+#ifdef _SC_PII_SOCKET
+    { "_POSIX_PII_SOCKET", _SC_PII_SOCKET, SYSCONF },
+#endif
+#ifdef _SC_PII_XTI
+    { "_POSIX_PII_XTI", _SC_PII_XTI, SYSCONF },
+#endif
+#ifdef _SC_POLL
+    { "_POSIX_POLL", _SC_POLL, SYSCONF },
+#endif
+#ifdef _SC_PRIORITIZED_IO
+    { "_POSIX_PRIORITIZED_IO", _SC_PRIORITIZED_IO, SYSCONF },
+#endif
+#ifdef _SC_PRIORITY_SCHEDULING
+    { "_POSIX_PRIORITY_SCHEDULING", _SC_PRIORITY_SCHEDULING, SYSCONF },
+#endif
+#ifdef _SC_REALTIME_SIGNALS
+    { "_POSIX_REALTIME_SIGNALS", _SC_REALTIME_SIGNALS, SYSCONF },
+#endif
+#ifdef _SC_SAVED_IDS
+    { "_POSIX_SAVED_IDS", _SC_SAVED_IDS, SYSCONF },
+#endif
+#ifdef _SC_SELECT
+    { "_POSIX_SELECT", _SC_SELECT, SYSCONF },
+#endif
+#ifdef _SC_SEMAPHORES
+    { "_POSIX_SEMAPHORES", _SC_SEMAPHORES, SYSCONF },
+#endif
+#ifdef _SC_SHARED_MEMORY_OBJECTS
+    { "_POSIX_SHARED_MEMORY_OBJECTS", _SC_SHARED_MEMORY_OBJECTS, SYSCONF },
+#endif
+#ifdef _SC_SSIZE_MAX
+    { "_POSIX_SSIZE_MAX", _SC_SSIZE_MAX, SYSCONF },
+#endif
+#ifdef _SC_STREAM_MAX
+    { "_POSIX_STREAM_MAX", _SC_STREAM_MAX, SYSCONF },
+#endif
+#ifdef _SC_SYNCHRONIZED_IO
+    { "_POSIX_SYNCHRONIZED_IO", _SC_SYNCHRONIZED_IO, SYSCONF },
+#endif
+#ifdef _SC_THREADS
+    { "_POSIX_THREADS", _SC_THREADS, SYSCONF },
+#endif
+#ifdef _SC_THREAD_ATTR_STACKADDR
+    { "_POSIX_THREAD_ATTR_STACKADDR", _SC_THREAD_ATTR_STACKADDR, SYSCONF },
+#endif
+#ifdef _SC_THREAD_ATTR_STACKSIZE
+    { "_POSIX_THREAD_ATTR_STACKSIZE", _SC_THREAD_ATTR_STACKSIZE, SYSCONF },
+#endif
+#ifdef _SC_THREAD_PRIORITY_SCHEDULING
+    { "_POSIX_THREAD_PRIORITY_SCHEDULING", _SC_THREAD_PRIORITY_SCHEDULING, SYSCONF },
+#endif
+#ifdef _SC_THREAD_PRIO_INHERIT
+    { "_POSIX_THREAD_PRIO_INHERIT", _SC_THREAD_PRIO_INHERIT, SYSCONF },
+#endif
+#ifdef _SC_THREAD_PRIO_PROTECT
+    { "_POSIX_THREAD_PRIO_PROTECT", _SC_THREAD_PRIO_PROTECT, SYSCONF },
+#endif
+#ifdef _SC_THREAD_ROBUST_PRIO_INHERIT
+    { "_POSIX_THREAD_ROBUST_PRIO_INHERIT", _SC_THREAD_ROBUST_PRIO_INHERIT,
+      SYSCONF },
+#endif
+#ifdef _SC_THREAD_ROBUST_PRIO_PROTECT
+    { "_POSIX_THREAD_ROBUST_PRIO_PROTECT", _SC_THREAD_ROBUST_PRIO_PROTECT,
+      SYSCONF },
+#endif
+#ifdef _SC_THREAD_PROCESS_SHARED
+    { "_POSIX_THREAD_PROCESS_SHARED", _SC_THREAD_PROCESS_SHARED, SYSCONF },
+#endif
+#ifdef _SC_THREAD_SAFE_FUNCTIONS
+    { "_POSIX_THREAD_SAFE_FUNCTIONS", _SC_THREAD_SAFE_FUNCTIONS, SYSCONF },
+#endif
+#ifdef _SC_TIMERS
+    { "_POSIX_TIMERS", _SC_TIMERS, SYSCONF },
+#endif
+#ifdef _SC_TIMER_MAX
+    { "TIMER_MAX", _SC_TIMER_MAX, SYSCONF },
+#endif
+#ifdef _SC_TZNAME_MAX
+    { "_POSIX_TZNAME_MAX", _SC_TZNAME_MAX, SYSCONF },
+#endif
+#ifdef _SC_VERSION
+    { "_POSIX_VERSION", _SC_VERSION, SYSCONF },
+#endif
+#ifdef _SC_T_IOV_MAX
+    { "_T_IOV_MAX", _SC_T_IOV_MAX, SYSCONF },
+#endif
+#ifdef _SC_XOPEN_CRYPT
+    { "_XOPEN_CRYPT", _SC_XOPEN_CRYPT, SYSCONF },
+#endif
+#ifdef _SC_XOPEN_ENH_I18N
+    { "_XOPEN_ENH_I18N", _SC_XOPEN_ENH_I18N, SYSCONF },
+#endif
+#ifdef _SC_XOPEN_LEGACY
+    { "_XOPEN_LEGACY", _SC_XOPEN_LEGACY, SYSCONF },
+#endif
+#ifdef _SC_XOPEN_REALTIME
+    { "_XOPEN_REALTIME", _SC_XOPEN_REALTIME, SYSCONF },
+#endif
+#ifdef _SC_XOPEN_REALTIME_THREADS
+    { "_XOPEN_REALTIME_THREADS", _SC_XOPEN_REALTIME_THREADS, SYSCONF },
+#endif
+#ifdef _SC_XOPEN_SHM
+    { "_XOPEN_SHM", _SC_XOPEN_SHM, SYSCONF },
+#endif
+#ifdef _SC_XOPEN_UNIX
+    { "_XOPEN_UNIX", _SC_XOPEN_UNIX, SYSCONF },
+#endif
+#ifdef _SC_XOPEN_VERSION
+    { "_XOPEN_VERSION", _SC_XOPEN_VERSION, SYSCONF },
+#endif
+#ifdef _SC_XOPEN_XCU_VERSION
+    { "_XOPEN_XCU_VERSION", _SC_XOPEN_XCU_VERSION, SYSCONF },
+#endif
+#ifdef _SC_XOPEN_XPG2
+    { "_XOPEN_XPG2", _SC_XOPEN_XPG2, SYSCONF },
+#endif
+#ifdef _SC_XOPEN_XPG3
+    { "_XOPEN_XPG3", _SC_XOPEN_XPG3, SYSCONF },
+#endif
+#ifdef _SC_XOPEN_XPG4
+    { "_XOPEN_XPG4", _SC_XOPEN_XPG4, SYSCONF },
+#endif
+    /* POSIX.2  */
+#ifdef _SC_BC_BASE_MAX
+    { "BC_BASE_MAX", _SC_BC_BASE_MAX, SYSCONF },
+#endif
+#ifdef _SC_BC_DIM_MAX
+    { "BC_DIM_MAX", _SC_BC_DIM_MAX, SYSCONF },
+#endif
+#ifdef _SC_BC_SCALE_MAX
+    { "BC_SCALE_MAX", _SC_BC_SCALE_MAX, SYSCONF },
+#endif
+#ifdef _SC_BC_STRING_MAX
+    { "BC_STRING_MAX", _SC_BC_STRING_MAX, SYSCONF },
+#endif
+    { "CHARCLASS_NAME_MAX", _SC_CHARCLASS_NAME_MAX, SYSCONF },
+#ifdef _SC_COLL_WEIGHTS_MAX
+    { "COLL_WEIGHTS_MAX", _SC_COLL_WEIGHTS_MAX, SYSCONF },
+#endif
+#ifdef _SC_EQUIV_CLASS_MAX
+    { "EQUIV_CLASS_MAX", _SC_EQUIV_CLASS_MAX, SYSCONF },
+#endif
+#ifdef _SC_EXPR_NEST_MAX
+    { "EXPR_NEST_MAX", _SC_EXPR_NEST_MAX, SYSCONF },
+#endif
+#ifdef _SC_LINE_MAX
+    { "LINE_MAX", _SC_LINE_MAX, SYSCONF },
+#endif
+#ifdef _SC_BC_BASE_MAX
+    { "POSIX2_BC_BASE_MAX", _SC_BC_BASE_MAX, SYSCONF },
+#endif
+#ifdef _SC_BC_DIM_MAX
+    { "POSIX2_BC_DIM_MAX", _SC_BC_DIM_MAX, SYSCONF },
+#endif
+#ifdef _SC_BC_SCALE_MAX
+    { "POSIX2_BC_SCALE_MAX", _SC_BC_SCALE_MAX, SYSCONF },
+#endif
+#ifdef _SC_BC_STRING_MAX
+    { "POSIX2_BC_STRING_MAX", _SC_BC_STRING_MAX, SYSCONF },
+#endif
+#ifdef _SC_2_CHAR_TERM
+    { "POSIX2_CHAR_TERM", _SC_2_CHAR_TERM, SYSCONF },
+#endif
+#ifdef _SC_COLL_WEIGHTS_MAX
+    { "POSIX2_COLL_WEIGHTS_MAX", _SC_COLL_WEIGHTS_MAX, SYSCONF },
+#endif
+#ifdef _SC_2_C_BIND
+    { "POSIX2_C_BIND", _SC_2_C_BIND, SYSCONF },
+#endif
+#ifdef _SC_2_C_DEV
+    { "POSIX2_C_DEV", _SC_2_C_DEV, SYSCONF },
+#endif
+#ifdef _SC_2_C_VERSION
+    { "POSIX2_C_VERSION", _SC_2_C_VERSION, SYSCONF },
+#endif
+#ifdef _SC_EXPR_NEST_MAX
+    { "POSIX2_EXPR_NEST_MAX", _SC_EXPR_NEST_MAX, SYSCONF },
+#endif
+#ifdef _SC_2_FORT_DEV
+    { "POSIX2_FORT_DEV", _SC_2_FORT_DEV, SYSCONF },
+#endif
+#ifdef _SC_2_FORT_RUN
+    { "POSIX2_FORT_RUN", _SC_2_FORT_RUN, SYSCONF },
+#endif
+#ifdef _SC_LINE_MAX
+    { "_POSIX2_LINE_MAX", _SC_LINE_MAX, SYSCONF },
+    { "POSIX2_LINE_MAX", _SC_LINE_MAX, SYSCONF },
+#endif
+#ifdef _SC_2_LOCALEDEF
+    { "POSIX2_LOCALEDEF", _SC_2_LOCALEDEF, SYSCONF },
+#endif
+#ifdef _SC_RE_DUP_MAX
+    { "POSIX2_RE_DUP_MAX", _SC_RE_DUP_MAX, SYSCONF },
+#endif
+#ifdef _SC_2_SW_DEV
+    { "POSIX2_SW_DEV", _SC_2_SW_DEV, SYSCONF },
+#endif
+#ifdef _SC_2_UPE
+    { "POSIX2_UPE", _SC_2_UPE, SYSCONF },
+#endif
+#ifdef _SC_2_VERSION
+    { "POSIX2_VERSION", _SC_2_VERSION, SYSCONF },
+#endif
+#ifdef _SC_RE_DUP_MAX
+    { "RE_DUP_MAX", _SC_RE_DUP_MAX, SYSCONF },
+#endif
+
+#ifdef _CS_PATH
+    { "PATH", _CS_PATH, CONFSTR },
+    { "CS_PATH", _CS_PATH, CONFSTR },
+#endif
+
+    /* LFS */
+#ifdef _CS_LFS_CFLAGS
+    { "LFS_CFLAGS", _CS_LFS_CFLAGS, CONFSTR },
+#endif
+#ifdef _CS_LFS_LDFLAGS
+    { "LFS_LDFLAGS", _CS_LFS_LDFLAGS, CONFSTR },
+#endif
+#ifdef _CS_LFS_LIBS
+    { "LFS_LIBS", _CS_LFS_LIBS, CONFSTR },
+#endif
+#ifdef _CS_LFS_LINTFLAGS
+    { "LFS_LINTFLAGS", _CS_LFS_LINTFLAGS, CONFSTR },
+#endif
+#ifdef _CS_LFS64_CFLAGS
+    { "LFS64_CFLAGS", _CS_LFS64_CFLAGS, CONFSTR },
+#endif
+#ifdef _CS_LFS64_LDFLAGS
+    { "LFS64_LDFLAGS", _CS_LFS64_LDFLAGS, CONFSTR },
+#endif
+#ifdef _CS_LFS64_LIBS
+    { "LFS64_LIBS", _CS_LFS64_LIBS, CONFSTR },
+#endif
+#ifdef _CS_LFS64_LINTFLAGS
+    { "LFS64_LINTFLAGS", _CS_LFS64_LINTFLAGS, CONFSTR },
+#endif
+
+    /* Programming environments.  */
+#ifdef _CS_V5_WIDTH_RESTRICTED_ENVS
+    { "_XBS5_WIDTH_RESTRICTED_ENVS", _CS_V5_WIDTH_RESTRICTED_ENVS, CONFSTR },
+    { "XBS5_WIDTH_RESTRICTED_ENVS", _CS_V5_WIDTH_RESTRICTED_ENVS, CONFSTR },
+#endif
+
+#ifdef _SC_XBS5_ILP32_OFF32
+    { "_XBS5_ILP32_OFF32", _SC_XBS5_ILP32_OFF32, SYSCONF },
+#endif
+#ifdef _CS_XBS5_ILP32_OFF32_CFLAGS
+    { "XBS5_ILP32_OFF32_CFLAGS", _CS_XBS5_ILP32_OFF32_CFLAGS, CONFSTR },
+#endif
+#ifdef _CS_XBS5_ILP32_OFF32_LDFLAGS
+    { "XBS5_ILP32_OFF32_LDFLAGS", _CS_XBS5_ILP32_OFF32_LDFLAGS, CONFSTR },
+#endif
+#ifdef _CS_XBS5_ILP32_OFF32_LIBS
+    { "XBS5_ILP32_OFF32_LIBS", _CS_XBS5_ILP32_OFF32_LIBS, CONFSTR },
+#endif
+#ifdef _CS_XBS5_ILP32_OFF32_LINTFLAGS
+    { "XBS5_ILP32_OFF32_LINTFLAGS", _CS_XBS5_ILP32_OFF32_LINTFLAGS, CONFSTR },
+#endif
+
+#ifdef _SC_XBS5_ILP32_OFFBIG
+    { "_XBS5_ILP32_OFFBIG", _SC_XBS5_ILP32_OFFBIG, SYSCONF },
+#endif
+#ifdef _CS_XBS5_ILP32_OFFBIG_CFLAGS
+    { "XBS5_ILP32_OFFBIG_CFLAGS", _CS_XBS5_ILP32_OFFBIG_CFLAGS, CONFSTR },
+#endif
+#ifdef _CS_XBS5_ILP32_OFFBIG_LDFLAGS
+    { "XBS5_ILP32_OFFBIG_LDFLAGS", _CS_XBS5_ILP32_OFFBIG_LDFLAGS, CONFSTR },
+#endif
+#ifdef _CS_XBS5_ILP32_OFFBIG_LIBS
+    { "XBS5_ILP32_OFFBIG_LIBS", _CS_XBS5_ILP32_OFFBIG_LIBS, CONFSTR },
+#endif
+#ifdef _CS_XBS5_ILP32_OFFBIG_LINTFLAGS
+    { "XBS5_ILP32_OFFBIG_LINTFLAGS", _CS_XBS5_ILP32_OFFBIG_LINTFLAGS, CONFSTR },
+#endif
+
+#ifdef _SC_XBS5_LP64_OFF64
+    { "_XBS5_LP64_OFF64", _SC_XBS5_LP64_OFF64, SYSCONF },
+#endif
+#ifdef _CS_XBS5_LP64_OFF64_CFLAGS
+    { "XBS5_LP64_OFF64_CFLAGS", _CS_XBS5_LP64_OFF64_CFLAGS, CONFSTR },
+#endif
+#ifdef _CS_XBS5_LP64_OFF64_LDFLAGS
+    { "XBS5_LP64_OFF64_LDFLAGS", _CS_XBS5_LP64_OFF64_LDFLAGS, CONFSTR },
+#endif
+#ifdef _CS_XBS5_LP64_OFF64_LIBS
+    { "XBS5_LP64_OFF64_LIBS", _CS_XBS5_LP64_OFF64_LIBS, CONFSTR },
+#endif
+#ifdef _CS_XBS5_LP64_OFF64_LINTFLAGS
+    { "XBS5_LP64_OFF64_LINTFLAGS", _CS_XBS5_LP64_OFF64_LINTFLAGS, CONFSTR },
+#endif
+
+#ifdef _SC_XBS5_LPBIG_OFFBIG
+    { "_XBS5_LPBIG_OFFBIG", _SC_XBS5_LPBIG_OFFBIG, SYSCONF },
+#endif
+#ifdef _CS_XBS5_LPBIG_OFFBIG_CFLAGS
+    { "XBS5_LPBIG_OFFBIG_CFLAGS", _CS_XBS5_LPBIG_OFFBIG_CFLAGS, CONFSTR },
+#endif
+#ifdef _CS_XBS5_LPBIG_OFFBIG_LDFLAGS
+    { "XBS5_LPBIG_OFFBIG_LDFLAGS", _CS_XBS5_LPBIG_OFFBIG_LDFLAGS, CONFSTR },
+#endif
+#ifdef _CS_XBS5_LPBIG_OFFBIG_LIBS
+    { "XBS5_LPBIG_OFFBIG_LIBS", _CS_XBS5_LPBIG_OFFBIG_LIBS, CONFSTR },
+#endif
+#ifdef _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS
+    { "XBS5_LPBIG_OFFBIG_LINTFLAGS", _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS, CONFSTR },
+#endif
+
+#ifdef _SC_V6_ILP32_OFF32
+    { "_POSIX_V6_ILP32_OFF32", _SC_V6_ILP32_OFF32, SYSCONF },
+#endif
+#ifdef _CS_POSIX_V6_ILP32_OFF32_CFLAGS
+    { "POSIX_V6_ILP32_OFF32_CFLAGS", _CS_POSIX_V6_ILP32_OFF32_CFLAGS, CONFSTR },
+#endif
+#ifdef _CS_POSIX_V6_ILP32_OFF32_LDFLAGS
+    { "POSIX_V6_ILP32_OFF32_LDFLAGS", _CS_POSIX_V6_ILP32_OFF32_LDFLAGS, CONFSTR },
+#endif
+#ifdef _CS_POSIX_V6_ILP32_OFF32_LIBS
+    { "POSIX_V6_ILP32_OFF32_LIBS", _CS_POSIX_V6_ILP32_OFF32_LIBS, CONFSTR },
+#endif
+#ifdef _CS_POSIX_V6_ILP32_OFF32_LINTFLAGS
+    { "POSIX_V6_ILP32_OFF32_LINTFLAGS", _CS_POSIX_V6_ILP32_OFF32_LINTFLAGS, CONFSTR },
+#endif
+
+#ifdef _CS_V6_WIDTH_RESTRICTED_ENVS
+    { "_POSIX_V6_WIDTH_RESTRICTED_ENVS", _CS_V6_WIDTH_RESTRICTED_ENVS, CONFSTR },
+    { "POSIX_V6_WIDTH_RESTRICTED_ENVS", _CS_V6_WIDTH_RESTRICTED_ENVS, CONFSTR },
+#endif
+
+#ifdef _SC_V6_ILP32_OFFBIG
+    { "_POSIX_V6_ILP32_OFFBIG", _SC_V6_ILP32_OFFBIG, SYSCONF },
+#endif
+#ifdef _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS
+    { "POSIX_V6_ILP32_OFFBIG_CFLAGS", _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS, CONFSTR },
+#endif
+#ifdef _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS
+    { "POSIX_V6_ILP32_OFFBIG_LDFLAGS", _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS, CONFSTR },
+#endif
+#ifdef _CS_POSIX_V6_ILP32_OFFBIG_LIBS
+    { "POSIX_V6_ILP32_OFFBIG_LIBS", _CS_POSIX_V6_ILP32_OFFBIG_LIBS, CONFSTR },
+#endif
+#ifdef _CS_POSIX_V6_ILP32_OFFBIG_LINTFLAGS
+    { "POSIX_V6_ILP32_OFFBIG_LINTFLAGS", _CS_POSIX_V6_ILP32_OFFBIG_LINTFLAGS, CONFSTR },
+#endif
+
+#ifdef _SC_V6_LP64_OFF64
+    { "_POSIX_V6_LP64_OFF64", _SC_V6_LP64_OFF64, SYSCONF },
+#endif
+#ifdef _CS_POSIX_V6_LP64_OFF64_CFLAGS
+    { "POSIX_V6_LP64_OFF64_CFLAGS", _CS_POSIX_V6_LP64_OFF64_CFLAGS, CONFSTR },
+#endif
+#ifdef _CS_POSIX_V6_LP64_OFF64_LDFLAGS
+    { "POSIX_V6_LP64_OFF64_LDFLAGS", _CS_POSIX_V6_LP64_OFF64_LDFLAGS, CONFSTR },
+#endif
+#ifdef _CS_POSIX_V6_LP64_OFF64_LIBS
+    { "POSIX_V6_LP64_OFF64_LIBS", _CS_POSIX_V6_LP64_OFF64_LIBS, CONFSTR },
+#endif
+#ifdef _CS_POSIX_V6_LP64_OFF64_LINTFLAGS
+    { "POSIX_V6_LP64_OFF64_LINTFLAGS", _CS_POSIX_V6_LP64_OFF64_LINTFLAGS, CONFSTR },
+#endif
+
+#ifdef _SC_V6_LPBIG_OFFBIG
+    { "_POSIX_V6_LPBIG_OFFBIG", _SC_V6_LPBIG_OFFBIG, SYSCONF },
+#endif
+#ifdef _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS
+    { "POSIX_V6_LPBIG_OFFBIG_CFLAGS", _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS, CONFSTR },
+#endif
+#ifdef _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS
+    { "POSIX_V6_LPBIG_OFFBIG_LDFLAGS", _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS, CONFSTR },
+#endif
+#ifdef _CS_POSIX_V6_LPBIG_OFFBIG_LIBS
+    { "POSIX_V6_LPBIG_OFFBIG_LIBS", _CS_POSIX_V6_LPBIG_OFFBIG_LIBS, CONFSTR },
+#endif
+#ifdef _CS_POSIX_V6_LPBIG_OFFBIG_LINTFLAGS
+    { "POSIX_V6_LPBIG_OFFBIG_LINTFLAGS", _CS_POSIX_V6_LPBIG_OFFBIG_LINTFLAGS, CONFSTR },
+#endif
+
+#ifdef _SC_V7_ILP32_OFF32
+    { "_POSIX_V7_ILP32_OFF32", _SC_V7_ILP32_OFF32, SYSCONF },
+#endif
+#ifdef _CS_POSIX_V7_ILP32_OFF32_CFLAGS
+    { "POSIX_V7_ILP32_OFF32_CFLAGS", _CS_POSIX_V7_ILP32_OFF32_CFLAGS, CONFSTR },
+#endif
+#ifdef _CS_POSIX_V7_ILP32_OFF32_LDFLAGS
+    { "POSIX_V7_ILP32_OFF32_LDFLAGS", _CS_POSIX_V7_ILP32_OFF32_LDFLAGS, CONFSTR },
+#endif
+#ifdef _CS_POSIX_V7_ILP32_OFF32_LIBS
+    { "POSIX_V7_ILP32_OFF32_LIBS", _CS_POSIX_V7_ILP32_OFF32_LIBS, CONFSTR },
+#endif
+#ifdef _CS_POSIX_V7_ILP32_OFF32_LINTFLAGS
+    { "POSIX_V7_ILP32_OFF32_LINTFLAGS", _CS_POSIX_V7_ILP32_OFF32_LINTFLAGS, CONFSTR },
+#endif
+
+#ifdef _CS_V7_WIDTH_RESTRICTED_ENVS
+    { "_POSIX_V7_WIDTH_RESTRICTED_ENVS", _CS_V7_WIDTH_RESTRICTED_ENVS, CONFSTR },
+    { "POSIX_V7_WIDTH_RESTRICTED_ENVS", _CS_V7_WIDTH_RESTRICTED_ENVS, CONFSTR },
+#endif
+
+#ifdef _SC_V7_ILP32_OFFBIG
+    { "_POSIX_V7_ILP32_OFFBIG", _SC_V7_ILP32_OFFBIG, SYSCONF },
+#endif
+#ifdef _CS_POSIX_V7_ILP32_OFFBIG_CFLAGS
+    { "POSIX_V7_ILP32_OFFBIG_CFLAGS", _CS_POSIX_V7_ILP32_OFFBIG_CFLAGS, CONFSTR },
+#endif
+#ifdef _CS_POSIX_V7_ILP32_OFFBIG_LDFLAGS
+    { "POSIX_V7_ILP32_OFFBIG_LDFLAGS", _CS_POSIX_V7_ILP32_OFFBIG_LDFLAGS, CONFSTR },
+#endif
+#ifdef _CS_POSIX_V7_ILP32_OFFBIG_LIBS
+    { "POSIX_V7_ILP32_OFFBIG_LIBS", _CS_POSIX_V7_ILP32_OFFBIG_LIBS, CONFSTR },
+#endif
+#ifdef _CS_POSIX_V7_ILP32_OFFBIG_LINTFLAGS
+    { "POSIX_V7_ILP32_OFFBIG_LINTFLAGS", _CS_POSIX_V7_ILP32_OFFBIG_LINTFLAGS, CONFSTR },
+#endif
+
+#ifdef _SC_V7_LP64_OFF64
+    { "_POSIX_V7_LP64_OFF64", _SC_V7_LP64_OFF64, SYSCONF },
+#endif
+#ifdef _CS_POSIX_V7_LP64_OFF64_CFLAGS
+    { "POSIX_V7_LP64_OFF64_CFLAGS", _CS_POSIX_V7_LP64_OFF64_CFLAGS, CONFSTR },
+#endif
+#ifdef _CS_POSIX_V7_LP64_OFF64_LDFLAGS
+    { "POSIX_V7_LP64_OFF64_LDFLAGS", _CS_POSIX_V7_LP64_OFF64_LDFLAGS, CONFSTR },
+#endif
+#ifdef _CS_POSIX_V7_LP64_OFF64_LIBS
+    { "POSIX_V7_LP64_OFF64_LIBS", _CS_POSIX_V7_LP64_OFF64_LIBS, CONFSTR },
+#endif
+#ifdef _CS_POSIX_V7_LP64_OFF64_LINTFLAGS
+    { "POSIX_V7_LP64_OFF64_LINTFLAGS", _CS_POSIX_V7_LP64_OFF64_LINTFLAGS, CONFSTR },
+#endif
+
+#ifdef _SC_V7_LPBIG_OFFBIG
+    { "_POSIX_V7_LPBIG_OFFBIG", _SC_V7_LPBIG_OFFBIG, SYSCONF },
+#endif
+#ifdef _CS_POSIX_V7_LPBIG_OFFBIG_CFLAGS
+    { "POSIX_V7_LPBIG_OFFBIG_CFLAGS", _CS_POSIX_V7_LPBIG_OFFBIG_CFLAGS, CONFSTR },
+#endif
+#ifdef _CS_POSIX_V7_LPBIG_OFFBIG_LDFLAGS
+    { "POSIX_V7_LPBIG_OFFBIG_LDFLAGS", _CS_POSIX_V7_LPBIG_OFFBIG_LDFLAGS, CONFSTR },
+#endif
+#ifdef _CS_POSIX_V7_LPBIG_OFFBIG_LIBS
+    { "POSIX_V7_LPBIG_OFFBIG_LIBS", _CS_POSIX_V7_LPBIG_OFFBIG_LIBS, CONFSTR },
+#endif
+#ifdef _CS_POSIX_V7_LPBIG_OFFBIG_LINTFLAGS
+    { "POSIX_V7_LPBIG_OFFBIG_LINTFLAGS", _CS_POSIX_V7_LPBIG_OFFBIG_LINTFLAGS, CONFSTR },
+#endif
+
+#ifdef _SC_ADVISORY_INFO
+    { "_POSIX_ADVISORY_INFO", _SC_ADVISORY_INFO, SYSCONF },
+#endif
+#ifdef _SC_BARRIERS
+    { "_POSIX_BARRIERS", _SC_BARRIERS, SYSCONF },
+#endif
+#ifdef _SC_BASE
+    { "_POSIX_BASE", _SC_BASE, SYSCONF },
+#endif
+#ifdef _SC_C_LANG_SUPPORT
+    { "_POSIX_C_LANG_SUPPORT", _SC_C_LANG_SUPPORT, SYSCONF },
+#endif
+#ifdef _SC_C_LANG_SUPPORT_R
+    { "_POSIX_C_LANG_SUPPORT_R", _SC_C_LANG_SUPPORT_R, SYSCONF },
+#endif
+#ifdef _SC_CLOCK_SELECTION
+    { "_POSIX_CLOCK_SELECTION", _SC_CLOCK_SELECTION, SYSCONF },
+#endif
+#ifdef _SC_CPUTIME
+    { "_POSIX_CPUTIME", _SC_CPUTIME, SYSCONF },
+#endif
+#ifdef _SC_THREAD_CPUTIME
+    { "_POSIX_THREAD_CPUTIME", _SC_THREAD_CPUTIME, SYSCONF },
+#endif
+#ifdef _SC_DEVICE_SPECIFIC
+    { "_POSIX_DEVICE_SPECIFIC", _SC_DEVICE_SPECIFIC, SYSCONF },
+#endif
+#ifdef _SC_DEVICE_SPECIFIC_R
+    { "_POSIX_DEVICE_SPECIFIC_R", _SC_DEVICE_SPECIFIC_R, SYSCONF },
+#endif
+#ifdef _SC_FD_MGMT
+    { "_POSIX_FD_MGMT", _SC_FD_MGMT, SYSCONF },
+#endif
+#ifdef _SC_FIFO
+    { "_POSIX_FIFO", _SC_FIFO, SYSCONF },
+#endif
+#ifdef _SC_PIPE
+    { "_POSIX_PIPE", _SC_PIPE, SYSCONF },
+#endif
+#ifdef _SC_FILE_ATTRIBUTES
+    { "_POSIX_FILE_ATTRIBUTES", _SC_FILE_ATTRIBUTES, SYSCONF },
+#endif
+#ifdef _SC_FILE_LOCKING
+    { "_POSIX_FILE_LOCKING", _SC_FILE_LOCKING, SYSCONF },
+#endif
+#ifdef _SC_FILE_SYSTEM
+    { "_POSIX_FILE_SYSTEM", _SC_FILE_SYSTEM, SYSCONF },
+#endif
+#ifdef _SC_MONOTONIC_CLOCK
+    { "_POSIX_MONOTONIC_CLOCK", _SC_MONOTONIC_CLOCK, SYSCONF },
+#endif
+#ifdef _SC_MULTI_PROCESS
+    { "_POSIX_MULTI_PROCESS", _SC_MULTI_PROCESS, SYSCONF },
+#endif
+#ifdef _SC_SINGLE_PROCESS
+    { "_POSIX_SINGLE_PROCESS", _SC_SINGLE_PROCESS, SYSCONF },
+#endif
+#ifdef _SC_NETWORKING
+    { "_POSIX_NETWORKING", _SC_NETWORKING, SYSCONF },
+#endif
+#ifdef _SC_READER_WRITER_LOCKS
+    { "_POSIX_READER_WRITER_LOCKS", _SC_READER_WRITER_LOCKS, SYSCONF },
+#endif
+#ifdef _SC_SPIN_LOCKS
+    { "_POSIX_SPIN_LOCKS", _SC_SPIN_LOCKS, SYSCONF },
+#endif
+#ifdef _SC_REGEXP
+    { "_POSIX_REGEXP", _SC_REGEXP, SYSCONF },
+#endif
+#ifdef _SC_REGEX_VERSION
+    { "_REGEX_VERSION", _SC_REGEX_VERSION, SYSCONF },
+#endif
+#ifdef _SC_SHELL
+    { "_POSIX_SHELL", _SC_SHELL, SYSCONF },
+#endif
+#ifdef _SC_SIGNALS
+    { "_POSIX_SIGNALS", _SC_SIGNALS, SYSCONF },
+#endif
+#ifdef _SC_SPAWN
+    { "_POSIX_SPAWN", _SC_SPAWN, SYSCONF },
+#endif
+#ifdef _SC_SPORADIC_SERVER
+    { "_POSIX_SPORADIC_SERVER", _SC_SPORADIC_SERVER, SYSCONF },
+#endif
+#ifdef _SC_THREAD_SPORADIC_SERVER
+    { "_POSIX_THREAD_SPORADIC_SERVER", _SC_THREAD_SPORADIC_SERVER, SYSCONF },
+#endif
+#ifdef _SC_SYSTEM_DATABASE
+    { "_POSIX_SYSTEM_DATABASE", _SC_SYSTEM_DATABASE, SYSCONF },
+#endif
+#ifdef _SC_SYSTEM_DATABASE_R
+    { "_POSIX_SYSTEM_DATABASE_R", _SC_SYSTEM_DATABASE_R, SYSCONF },
+#endif
+#ifdef _SC_TIMEOUTS
+    { "_POSIX_TIMEOUTS", _SC_TIMEOUTS, SYSCONF },
+#endif
+#ifdef _SC_TYPED_MEMORY_OBJECTS
+    { "_POSIX_TYPED_MEMORY_OBJECTS", _SC_TYPED_MEMORY_OBJECTS, SYSCONF },
+#endif
+#ifdef _SC_USER_GROUPS
+    { "_POSIX_USER_GROUPS", _SC_USER_GROUPS, SYSCONF },
+#endif
+#ifdef _SC_USER_GROUPS_R
+    { "_POSIX_USER_GROUPS_R", _SC_USER_GROUPS_R, SYSCONF },
+#endif
+#ifdef _SC_2_PBS
+    { "POSIX2_PBS", _SC_2_PBS, SYSCONF },
+#endif
+#ifdef _SC_2_PBS_ACCOUNTING
+    { "POSIX2_PBS_ACCOUNTING", _SC_2_PBS_ACCOUNTING, SYSCONF },
+#endif
+#ifdef _SC_2_PBS_LOCATE
+    { "POSIX2_PBS_LOCATE", _SC_2_PBS_LOCATE, SYSCONF },
+#endif
+#ifdef _SC_2_PBS_TRACK
+    { "POSIX2_PBS_TRACK", _SC_2_PBS_TRACK, SYSCONF },
+#endif
+#ifdef _SC_2_PBS_MESSAGE
+    { "POSIX2_PBS_MESSAGE", _SC_2_PBS_MESSAGE, SYSCONF },
+#endif
+#ifdef _SC_SYMLOOP_MAX
+    { "SYMLOOP_MAX", _SC_SYMLOOP_MAX, SYSCONF },
+#endif
+#ifdef _SC_STREAM_MAX
+    { "STREAM_MAX", _SC_STREAM_MAX, SYSCONF },
+#endif
+#ifdef _SC_AIO_LISTIO_MAX
+    { "AIO_LISTIO_MAX", _SC_AIO_LISTIO_MAX, SYSCONF },
+#endif
+#ifdef _SC_AIO_MAX
+    { "AIO_MAX", _SC_AIO_MAX, SYSCONF },
+#endif
+#ifdef _SC_AIO_PRIO_DELTA_MAX
+    { "AIO_PRIO_DELTA_MAX", _SC_AIO_PRIO_DELTA_MAX, SYSCONF },
+#endif
+#ifdef _SC_DELAYTIMER_MAX
+    { "DELAYTIMER_MAX", _SC_DELAYTIMER_MAX, SYSCONF },
+#endif
+#ifdef _SC_HOST_NAME_MAX
+    { "HOST_NAME_MAX", _SC_HOST_NAME_MAX, SYSCONF },
+#endif
+#ifdef _SC_LOGIN_NAME_MAX
+    { "LOGIN_NAME_MAX", _SC_LOGIN_NAME_MAX, SYSCONF },
+#endif
+#ifdef _SC_MQ_OPEN_MAX
+    { "MQ_OPEN_MAX", _SC_MQ_OPEN_MAX, SYSCONF },
+#endif
+#ifdef _SC_MQ_PRIO_MAX
+    { "MQ_PRIO_MAX", _SC_MQ_PRIO_MAX, SYSCONF },
+#endif
+#ifdef _SC_DEVICE_IO
+    { "_POSIX_DEVICE_IO", _SC_DEVICE_IO, SYSCONF },
+#endif
+#ifdef _SC_TRACE
+    { "_POSIX_TRACE", _SC_TRACE, SYSCONF },
+#endif
+#ifdef _SC_TRACE_EVENT_FILTER
+    { "_POSIX_TRACE_EVENT_FILTER", _SC_TRACE_EVENT_FILTER, SYSCONF },
+#endif
+#ifdef _SC_TRACE_INHERIT
+    { "_POSIX_TRACE_INHERIT", _SC_TRACE_INHERIT, SYSCONF },
+#endif
+#ifdef _SC_TRACE_LOG
+    { "_POSIX_TRACE_LOG", _SC_TRACE_LOG, SYSCONF },
+#endif
+#ifdef _SC_RTSIG_MAX
+    { "RTSIG_MAX", _SC_RTSIG_MAX, SYSCONF },
+#endif
+#ifdef _SC_SEM_NSEMS_MAX
+    { "SEM_NSEMS_MAX", _SC_SEM_NSEMS_MAX, SYSCONF },
+#endif
+#ifdef _SC_SEM_VALUE_MAX
+    { "SEM_VALUE_MAX", _SC_SEM_VALUE_MAX, SYSCONF },
+#endif
+#ifdef _SC_SIGQUEUE_MAX
+    { "SIGQUEUE_MAX", _SC_SIGQUEUE_MAX, SYSCONF },
+#endif
+#ifdef _PC_FILESIZEBITS
+    { "FILESIZEBITS", _PC_FILESIZEBITS, PATHCONF },
+#endif
+#ifdef _PC_ALLOC_SIZE_MIN
+    { "POSIX_ALLOC_SIZE_MIN", _PC_ALLOC_SIZE_MIN, PATHCONF },
+#endif
+#ifdef _PC_REC_INCR_XFER_SIZE
+    { "POSIX_REC_INCR_XFER_SIZE", _PC_REC_INCR_XFER_SIZE, PATHCONF },
+#endif
+#ifdef _PC_REC_MAX_XFER_SIZE
+    { "POSIX_REC_MAX_XFER_SIZE", _PC_REC_MAX_XFER_SIZE, PATHCONF },
+#endif
+#ifdef _PC_REC_MIN_XFER_SIZE
+    { "POSIX_REC_MIN_XFER_SIZE", _PC_REC_MIN_XFER_SIZE, PATHCONF },
+#endif
+#ifdef _PC_REC_XFER_ALIGN
+    { "POSIX_REC_XFER_ALIGN", _PC_REC_XFER_ALIGN, PATHCONF },
+#endif
+#ifdef _PC_SYMLINK_MAX
+    { "SYMLINK_MAX", _PC_SYMLINK_MAX, PATHCONF },
+#endif
+#ifdef _CS_GNU_LIBC_VERSION
+    { "GNU_LIBC_VERSION", _CS_GNU_LIBC_VERSION, CONFSTR },
+#endif
+#ifdef _CS_GNU_LIBPTHREAD_VERSION
+    { "GNU_LIBPTHREAD_VERSION", _CS_GNU_LIBPTHREAD_VERSION, CONFSTR },
+#endif
+#ifdef _PC_2_SYMLINKS
+    { "POSIX2_SYMLINKS", _PC_2_SYMLINKS, PATHCONF },
+#endif
+
+#ifdef _SC_LEVEL1_ICACHE_SIZE
+    { "LEVEL1_ICACHE_SIZE", _SC_LEVEL1_ICACHE_SIZE, SYSCONF },
+#endif
+#ifdef _SC_LEVEL1_ICACHE_ASSOC
+    { "LEVEL1_ICACHE_ASSOC", _SC_LEVEL1_ICACHE_ASSOC, SYSCONF },
+#endif
+#ifdef _SC_LEVEL1_ICACHE_LINESIZE
+    { "LEVEL1_ICACHE_LINESIZE", _SC_LEVEL1_ICACHE_LINESIZE, SYSCONF },
+#endif
+#ifdef _SC_LEVEL1_DCACHE_SIZE
+    { "LEVEL1_DCACHE_SIZE", _SC_LEVEL1_DCACHE_SIZE, SYSCONF },
+#endif
+#ifdef _SC_LEVEL1_DCACHE_ASSOC
+    { "LEVEL1_DCACHE_ASSOC", _SC_LEVEL1_DCACHE_ASSOC, SYSCONF },
+#endif
+#ifdef _SC_LEVEL1_DCACHE_LINESIZE
+    { "LEVEL1_DCACHE_LINESIZE", _SC_LEVEL1_DCACHE_LINESIZE, SYSCONF },
+#endif
+#ifdef _SC_LEVEL2_CACHE_SIZE
+    { "LEVEL2_CACHE_SIZE", _SC_LEVEL2_CACHE_SIZE, SYSCONF },
+#endif
+#ifdef _SC_LEVEL2_CACHE_ASSOC
+    { "LEVEL2_CACHE_ASSOC", _SC_LEVEL2_CACHE_ASSOC, SYSCONF },
+#endif
+#ifdef _SC_LEVEL2_CACHE_LINESIZE
+    { "LEVEL2_CACHE_LINESIZE", _SC_LEVEL2_CACHE_LINESIZE, SYSCONF },
+#endif
+#ifdef _SC_LEVEL3_CACHE_SIZE
+    { "LEVEL3_CACHE_SIZE", _SC_LEVEL3_CACHE_SIZE, SYSCONF },
+#endif
+#ifdef _SC_LEVEL3_CACHE_ASSOC
+    { "LEVEL3_CACHE_ASSOC", _SC_LEVEL3_CACHE_ASSOC, SYSCONF },
+#endif
+#ifdef _SC_LEVEL3_CACHE_LINESIZE
+    { "LEVEL3_CACHE_LINESIZE", _SC_LEVEL3_CACHE_LINESIZE, SYSCONF },
+#endif
+#ifdef _SC_LEVEL4_CACHE_SIZE
+    { "LEVEL4_CACHE_SIZE", _SC_LEVEL4_CACHE_SIZE, SYSCONF },
+#endif
+#ifdef _SC_LEVEL4_CACHE_ASSOC
+    { "LEVEL4_CACHE_ASSOC", _SC_LEVEL4_CACHE_ASSOC, SYSCONF },
+#endif
+#ifdef _SC_LEVEL4_CACHE_LINESIZE
+    { "LEVEL4_CACHE_LINESIZE", _SC_LEVEL4_CACHE_LINESIZE, SYSCONF },
+#endif
+
+#ifdef _SC_IPV6
+    { "IPV6", _SC_IPV6, SYSCONF },
+#endif
+#ifdef _SC_RAW_SOCKETS
+    { "RAW_SOCKETS", _SC_RAW_SOCKETS, SYSCONF },
+#endif
+
+    { NULL, 0, SYSCONF }
+  };
+
+
+static const struct { const char *name; int num; } specs[] =
+  {
+    { "XBS5_ILP32_OFF32", _SC_XBS5_ILP32_OFF32 },
+    { "XBS5_ILP32_OFFBIG", _SC_XBS5_ILP32_OFFBIG },
+    { "XBS5_LP64_OFF64", _SC_XBS5_LP64_OFF64 },
+    { "XBS5_LPBIG_OFFBIG", _SC_XBS5_LPBIG_OFFBIG },
+    { "POSIX_V6_ILP32_OFF32", _SC_V6_ILP32_OFF32 },
+    { "POSIX_V6_ILP32_OFFBIG", _SC_V6_ILP32_OFFBIG },
+    { "POSIX_V6_LP64_OFF64", _SC_V6_LP64_OFF64 },
+    { "POSIX_V6_LPBIG_OFFBIG", _SC_V6_LPBIG_OFFBIG },
+    { "POSIX_V7_ILP32_OFF32", _SC_V7_ILP32_OFF32 },
+    { "POSIX_V7_ILP32_OFFBIG", _SC_V7_ILP32_OFFBIG },
+    { "POSIX_V7_LP64_OFF64", _SC_V7_LP64_OFF64 },
+    { "POSIX_V7_LPBIG_OFFBIG", _SC_V7_LPBIG_OFFBIG },
+  };
+static const int nspecs = sizeof (specs) / sizeof (specs[0]);
+
+#ifdef __UCLIBC_HAS___PROGNAME__
+extern const char *__progname;
+#else
+#define __progname "foo"
+#endif
+
+static void
+usage (void)
+{
+  fprintf (stderr,
+	   _("Usage: %s [-v specification] variable_name [pathname]\n"),
+	   __progname);
+  fprintf (stderr,
+	   _("       %s -a [pathname]\n"), __progname);
+  exit (2);
+}
+
+
+static void
+print_all (const char *path)
+{
+  register const struct conf *c;
+  size_t clen;
+  long int value;
+  char *cvalue;
+  for (c = vars; c->name != NULL; ++c) {
+    printf("%-35s", c->name);
+    switch (c->call) {
+      case PATHCONF:
+	value = pathconf (path, c->call_name);
+	if (value != -1) {
+	  printf("%ld", value);
+	}
+	printf("\n");
+	break;
+      case SYSCONF:
+	value = sysconf (c->call_name);
+	if (value == -1l) {
+	  if (c->call_name == _SC_UINT_MAX
+	    || c->call_name == _SC_ULONG_MAX)
+	    printf ("%lu", value);
+	}
+	else {
+	  printf ("%ld", value);
+	}
+	printf ("\n");
+	break;
+      case CONFSTR:
+	clen = confstr (c->call_name, (char *) NULL, 0);
+	cvalue = (char *) malloc (clen);
+	if (cvalue == NULL)
+	  error (3, 0, _("memory exhausted"));
+	if (confstr (c->call_name, cvalue, clen) != clen)
+	  error (3, errno, "confstr");
+	printf ("%.*s\n", (int) clen, cvalue);
+	free (cvalue);
+	break;
+    }
+  }
+  exit (0);
+}
+
+int
+main (int argc, char *argv[])
+{
+  register const struct conf *c;
+
+  /* Set locale.  Do not set LC_ALL because the other categories must
+     not be affected (according to POSIX.2).  */
+
+  /* Initialize the message catalog.  */
+
+  if (argc > 1 && strcmp (argv[1], "--version") == 0)
+    {
+      printf ("getconf (GNU %s) %s\n", PACKAGE, VERSION);
+      printf ("\
+Copyright (C) %s Free Software Foundation, Inc.\n\
+This is free software; see the source for copying conditions.  There is NO\n\
+warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\
+", "2009");
+      printf ("Written by %s.\n", "Roland McGrath");
+      return 0;
+    }
+
+  if (argc > 1 && strcmp (argv[1], "--help") == 0)
+    {
+      printf ("\
+Usage: getconf [-v SPEC] VAR\n\
+  or:  getconf [-v SPEC] PATH_VAR PATH\n\
+\n\
+Get the configuration value for variable VAR, or for variable PATH_VAR\n\
+for path PATH.  If SPEC is given, give values for compilation\n\
+environment SPEC.\n\n");
+      fputs ("For bug reporting instructions, please see:\n\
+<http://www.gnu.org/software/libc/bugs.html>.\n", stdout);
+      return 0;
+    }
+
+  const char *getconf_dir = getenv ("GETCONF_DIR") ?: GETCONF_DIR;
+  size_t getconf_dirlen = strlen (getconf_dir);
+
+  const char *spec = NULL;
+  char buf[sizeof "POSIX_V6_LPBIG_OFFBIG"];
+  char *argv0 = argv[0];
+  if (argc > 1 && strncmp (argv[1], "-v", 2) == 0)
+    {
+      if (argv[1][2] == '\0')
+	{
+	  if (argc < 3)
+	    usage ();
+
+	  spec = argv[2];
+	  argv += 2;
+	  argc -= 2;
+	}
+      else
+	{
+	  spec = &argv[1][2];
+	  argv += 1;
+	  argc += 1;
+	}
+    }
+  else
+    {
+      char default_name[getconf_dirlen + sizeof "/default"];
+      memcpy (mempcpy (default_name, getconf_dir, getconf_dirlen),
+	      "/default", sizeof "/default");
+      int len = readlink (default_name, buf, sizeof buf - 1);
+      if (len > 0)
+	{
+	  buf[len] = '\0';
+	  spec = buf;
+	}
+    }
+
+  /* Check for the specifications we know.  */
+  if (spec != NULL)
+    {
+      int i;
+      for (i = 0; i < nspecs; ++i)
+	if (strcmp (spec, specs[i].name) == 0)
+	  break;
+
+      if (i == nspecs)
+	error (2, 0, _("unknown specification \"%s\""), spec);
+
+      switch (specs[i].num)
+	{
+#ifndef _XBS5_ILP32_OFF32
+	  case _SC_XBS5_ILP32_OFF32:
+#endif
+#ifndef _XBS5_ILP32_OFFBIG
+	  case _SC_XBS5_ILP32_OFFBIG:
+#endif
+#ifndef _XBS5_LP64_OFF64
+	  case _SC_XBS5_LP64_OFF64:
+#endif
+#ifndef _XBS5_LPBIG_OFFBIG
+	  case _SC_XBS5_LPBIG_OFFBIG:
+#endif
+#ifndef _POSIX_V6_ILP32_OFF32
+	  case _SC_V6_ILP32_OFF32:
+#endif
+#ifndef _POSIX_V6_ILP32_OFFBIG
+	  case _SC_V6_ILP32_OFFBIG:
+#endif
+#ifndef _POSIX_V6_LP64_OFF64
+	  case _SC_V6_LP64_OFF64:
+#endif
+#ifndef _POSIX_V6_LPBIG_OFFBIG
+	  case _SC_V6_LPBIG_OFFBIG:
+#endif
+#ifndef _POSIX_V7_ILP32_OFF32
+	  case _SC_V7_ILP32_OFF32:
+#endif
+#ifndef _POSIX_V7_ILP32_OFFBIG
+	  case _SC_V7_ILP32_OFFBIG:
+#endif
+#ifndef _POSIX_V7_LP64_OFF64
+	  case _SC_V7_LP64_OFF64:
+#endif
+#ifndef _POSIX_V7_LPBIG_OFFBIG
+	  case _SC_V7_LPBIG_OFFBIG:
+#endif
+	    {
+	      const char *args[argc + 3];
+	      size_t spec_len = strlen (spec);
+	      char getconf_name[getconf_dirlen + 1 + spec_len + 1];
+	      memcpy (mempcpy (mempcpy (getconf_name, getconf_dir,
+					getconf_dirlen),
+			       "/", 1), spec, spec_len + 1);
+	      args[0] = argv0;
+	      args[1] = "-v";
+	      args[2] = spec;
+	      memcpy (&args[3], &argv[1], argc * sizeof (argv[1]));
+	      execv (getconf_name, (char * const *) args);
+	      error (4, errno, _("Couldn't execute %s"), getconf_name);
+	    }
+	  default:
+	    break;
+	}
+    }
+
+  if (argc > 1 && strcmp (argv[1], "-a") == 0)
+    {
+      if (argc == 2)
+	print_all ("/");
+      else if (argc == 3)
+	print_all (argv[2]);
+      else
+	usage ();
+    }
+
+  int ai = 1;
+  if (argc > ai && strcmp (argv[ai], "--") == 0)
+    ++ai;
+
+  if (argc - ai < 1 || argc - ai > 2)
+    usage ();
+
+  for (c = vars; c->name != NULL; ++c)
+    if (strcmp (c->name, argv[ai]) == 0
+	|| (strncmp (c->name, "_POSIX_", 7) == 0
+	    && strcmp (c->name + 7, argv[ai]) == 0))
+      {
+	long int value;
+	size_t clen;
+	char *cvalue;
+	switch (c->call)
+	  {
+	  case PATHCONF:
+	    if (argc - ai < 2)
+	      usage ();
+	    errno = 0;
+	    value = pathconf (argv[ai + 1], c->call_name);
+	    if (value == -1)
+	      {
+		if (errno) {
+		  error (3, errno, "pathconf: %s", argv[ai + 1]);
+		} else
+		  puts (_("undefined"));
+	      }
+	    else
+	      printf ("%ld\n", value);
+	    exit (0);
+
+	  case SYSCONF:
+	    if (argc - ai > 1)
+	      usage ();
+	    value = sysconf (c->call_name);
+	    if (value == -1l)
+	      {
+		if (c->call_name == _SC_UINT_MAX
+		    || c->call_name == _SC_ULONG_MAX)
+		  printf ("%lu\n", value);
+		else
+		  puts (_("undefined"));
+	      }
+	    else
+	      printf ("%ld\n", value);
+	    exit (0);
+
+	  case CONFSTR:
+	    if (argc - ai > 1)
+	      usage ();
+	    clen = confstr (c->call_name, (char *) NULL, 0);
+	    cvalue = (char *) malloc (clen);
+	    if (cvalue == NULL)
+	      error (3, 0, _("memory exhausted"));
+
+	    if (confstr (c->call_name, cvalue, clen) != clen)
+	      error (3, errno, "confstr");
+
+	    printf ("%.*s\n", (int) clen, cvalue);
+	    exit (0);
+	  }
+      }
+
+  error (2, 0, _("Unrecognized variable `%s'"), argv[ai]);
+  /* NOTREACHED */
+  return 2;
+}
diff --git a/test/unistd/tst-getconf.sh b/test/unistd/tst-getconf.sh
new file mode 100644
index 000000000..bad98a007
--- /dev/null
+++ b/test/unistd/tst-getconf.sh
@@ -0,0 +1,238 @@
+#! /bin/sh
+
+basedir="."
+
+# make sure to use the same locale everywhere.
+LC_ALL=C
+export LC_ALL
+LANG=C
+export LANG
+
+for suffix in _glibc ''
+do
+binary=$basedir/getconf$suffix
+logfile=$basedir/tst-getconf$suffix.out
+rm -f $logfile
+
+result=0
+while read name; do
+  case "$name" in
+  "#"*) continue;;
+  esac
+  echo -n "getconf $name: " >> $logfile
+  $binary "$name" 2>> $logfile >> $logfile
+  if test $? -ne 0; then
+    echo "*** $name FAILED" >> $logfile
+    result=1
+  fi
+done <<EOF
+AIO_LISTIO_MAX
+AIO_MAX
+AIO_PRIO_DELTA_MAX
+ARG_MAX
+ATEXIT_MAX
+BC_BASE_MAX
+BC_DIM_MAX
+BC_SCALE_MAX
+BC_STRING_MAX
+CHILD_MAX
+COLL_WEIGHTS_MAX
+DELAYTIMER_MAX
+EXPR_NEST_MAX
+HOST_NAME_MAX
+IOV_MAX
+LINE_MAX
+LOGIN_NAME_MAX
+NGROUPS_MAX
+MQ_OPEN_MAX
+MQ_PRIO_MAX
+OPEN_MAX
+_POSIX_ADVISORY_INFO
+_POSIX_BARRIERS
+_POSIX_ASYNCHRONOUS_IO
+_POSIX_BASE
+_POSIX_C_LANG_SUPPORT
+_POSIX_C_LANG_SUPPORT_R
+_POSIX_CLOCK_SELECTION
+_POSIX_CPUTIME
+_POSIX_DEVICE_IO
+_POSIX_DEVICE_SPECIFIC
+_POSIX_DEVICE_SPECIFIC_R
+_POSIX_FD_MGMT
+_POSIX_FIFO
+_POSIX_FILE_ATTRIBUTES
+_POSIX_FILE_LOCKING
+_POSIX_FILE_SYSTEM
+_POSIX_FSYNC
+_POSIX_JOB_CONTROL
+_POSIX_MAPPED_FILES
+_POSIX_MEMLOCK
+_POSIX_MEMLOCK_RANGE
+_POSIX_MEMORY_PROTECTION
+_POSIX_MESSAGE_PASSING
+_POSIX_MONOTONIC_CLOCK
+_POSIX_MULTI_PROCESS
+_POSIX_NETWORKING
+_POSIX_PIPE
+_POSIX_PRIORITIZED_IO
+_POSIX_PRIORITY_SCHEDULING
+_POSIX_READER_WRITER_LOCKS
+_POSIX_REALTIME_SIGNALS
+_POSIX_REGEXP
+_POSIX_SAVED_IDS
+_POSIX_SEMAPHORES
+_POSIX_SHARED_MEMORY_OBJECTS
+_POSIX_SHELL
+_POSIX_SIGNALS
+_POSIX_SINGLE_PROCESS
+_POSIX_SPAWN
+_POSIX_SPIN_LOCKS
+_POSIX_SPORADIC_SERVER
+_POSIX_SYNCHRONIZED_IO
+_POSIX_SYSTEM_DATABASE
+_POSIX_SYSTEM_DATABASE_R
+_POSIX_THREAD_ATTR_STACKADDR
+_POSIX_THREAD_ATTR_STACKSIZE
+_POSIX_THREAD_CPUTIME
+_POSIX_THREAD_PRIO_INHERIT
+_POSIX_THREAD_PRIO_PROTECT
+_POSIX_THREAD_PRIORITY_SCHEDULING
+_POSIX_THREAD_PROCESS_SHARED
+_POSIX_THREAD_SAFE_FUNCTIONS
+_POSIX_THREAD_SPORADIC_SERVER
+_POSIX_THREADS
+_POSIX_TIMEOUTS
+_POSIX_TIMERS
+_POSIX_TRACE
+_POSIX_TRACE_EVENT_FILTER
+_POSIX_TRACE_INHERIT
+_POSIX_TRACE_LOG
+_POSIX_TYPED_MEMORY_OBJECTS
+_POSIX_USER_GROUPS
+_POSIX_USER_GROUPS_R
+_POSIX_VERSION
+_POSIX_V7_ILP32_OFF32
+_POSIX_V7_ILP32_OFFBIG
+_POSIX_V7_LP64_OFF64
+_POSIX_V7_LPBIG_OFFBIG
+#_POSIX_V7_WIDTH_RESTRICTED_ENVS
+POSIX2_C_BIND
+POSIX2_C_DEV
+POSIX2_C_VERSION
+POSIX2_CHAR_TERM
+POSIX2_FORT_DEV
+POSIX2_FORT_RUN
+POSIX2_LOCALEDEF
+POSIX2_PBS
+POSIX2_PBS_ACCOUNTING
+POSIX2_PBS_LOCATE
+POSIX2_PBS_MESSAGE
+POSIX2_PBS_TRACK
+POSIX2_SW_DEV
+POSIX2_UPE
+POSIX2_VERSION
+_REGEX_VERSION
+PAGE_SIZE
+PAGESIZE
+PTHREAD_DESTRUCTOR_ITERATIONS
+PTHREAD_KEYS_MAX
+PTHREAD_STACK_MIN
+PTHREAD_THREADS_MAX
+RE_DUP_MAX
+RTSIG_MAX
+SEM_NSEMS_MAX
+SEM_VALUE_MAX
+SIGQUEUE_MAX
+STREAM_MAX
+SYMLOOP_MAX
+TIMER_MAX
+TTY_NAME_MAX
+TZNAME_MAX
+#_XBS5_ILP32_OFF32
+#_XBS5_ILP32_OFFBIG
+#_XBS5_LP64_OFF64
+#_XBS5_LPBIG_OFFBIG
+_XOPEN_CRYPT
+_XOPEN_ENH_I18N
+_XOPEN_LEGACY
+_XOPEN_REALTIME
+_XOPEN_REALTIME_THREADS
+_XOPEN_SHM
+_XOPEN_UNIX
+_XOPEN_VERSION
+_XOPEN_XCU_VERSION
+PATH
+#POSIX_V7_ILP32_OFF32_CFLAGS
+#POSIX_V7_ILP32_OFF32_LDFLAGS
+#POSIX_V7_ILP32_OFF32_LIBS
+#POSIX_V7_ILP32_OFF32_LINTFLAGS
+#POSIX_V7_ILP32_OFFBIG_CFLAGS
+#POSIX_V7_ILP32_OFFBIG_LDFLAGS
+#POSIX_V7_ILP32_OFFBIG_LIBS
+#POSIX_V7_ILP32_OFFBIG_LINTFLAGS
+#POSIX_V7_LP64_OFF64_CFLAGS
+#POSIX_V7_LP64_OFF64_LDFLAGS
+#POSIX_V7_LP64_OFF64_LIBS
+#POSIX_V7_LP64_OFF64_LINTFLAGS
+#POSIX_V7_LPBIG_OFFBIG_CFLAGS
+#POSIX_V7_LPBIG_OFFBIG_LDFLAGS
+#POSIX_V7_LPBIG_OFFBIG_LIBS
+#POSIX_V7_LPBIG_OFFBIG_LINTFLAGS
+#XBS5_ILP32_OFF32_CFLAGS
+#XBS5_ILP32_OFF32_LDFLAGS
+#XBS5_ILP32_OFF32_LIBS
+#XBS5_ILP32_OFF32_LINTFLAGS
+#XBS5_ILP32_OFFBIG_CFLAGS
+#XBS5_ILP32_OFFBIG_LDFLAGS
+#XBS5_ILP32_OFFBIG_LIBS
+#XBS5_ILP32_OFFBIG_LINTFLAGS
+#XBS5_LP64_OFF64_CFLAGS
+#XBS5_LP64_OFF64_LDFLAGS
+#XBS5_LP64_OFF64_LIBS
+#XBS5_LP64_OFF64_LINTFLAGS
+#XBS5_LPBIG_OFFBIG_CFLAGS
+#XBS5_LPBIG_OFFBIG_LDFLAGS
+#XBS5_LPBIG_OFFBIG_LIBS
+#XBS5_LPBIG_OFFBIG_LINTFLAGS
+EOF
+
+while read name; do
+  echo -n "getconf $name /: " >> $logfile
+  $binary "$name" / 2>> $logfile >> $logfile
+  if test $? -ne 0; then
+    echo "*** $name FAILED" >> $logfile
+    result=1
+  fi
+done <<EOF
+FILESIZEBITS
+LINK_MAX
+MAX_CANON
+MAX_INPUT
+NAME_MAX
+PATH_MAX
+PIPE_BUF
+POSIX_ALLOC_SIZE_MIN
+POSIX_REC_INCR_XFER_SIZE
+POSIX_REC_MAX_XFER_SIZE
+POSIX_REC_MIN_XFER_SIZE
+POSIX_REC_XFER_ALIGN
+SYMLINK_MAX
+_POSIX_CHOWN_RESTRICTED
+_POSIX_NO_TRUNC
+_POSIX_VDISABLE
+_POSIX_ASYNC_IO
+_POSIX_PRIO_IO
+_POSIX_SYNC_IO
+EOF
+
+done
+exit $result
+
+# Preserve executable bits for this shell script.
+Local Variables:
+eval:(defun frobme () (set-file-modes buffer-file-name file-mode))
+eval:(make-local-variable 'file-mode)
+eval:(setq file-mode (file-modes (buffer-file-name)))
+eval:(make-local-variable 'after-save-hook)
+eval:(add-hook 'after-save-hook 'frobme)
+End: