From fe559c5e1ce629f94f1621c76f5cfd59d6028830 Mon Sep 17 00:00:00 2001
From: Ulrich Drepper <drepper@redhat.com>
Date: Tue, 19 Oct 1999 13:53:34 +0000
Subject: Update.

1999-10-19  Andreas Jaeger  <aj@suse.de>

	* include/bits/ipc.h: Remove K&R compatibility.
	* include/libintl.h: Likewise.
	* include/math.h: Likewise.
	* include/mntent.h: Likewise
	* include/netdb.h: Likewise.
	* include/pwd.h: Likewise.
	* include/sched.h: Likewise.
	* include/shadow.h: Likewise
	* include/stdlib.h: Likewise.
	* include/sys/file.h: Likewise.
	* include/sys/gmon.h: Likewise.
	* include/sys/ioctl.h: Likewise.
	* include/sys/mman.h: Likewise.
	* include/sys/resource.h: Likewise.
	* include/sys/socket.h: Likewise.
	* include/sys/stat.h: Likewise.
	* include/sys/sysinfo.h: Likewise.
	* include/sys/time.h: Likewise.
	* include/sys/times.h: Likewise.
	* include/sys/uio.h: Likewise.
	* include/sys/wait.h: Likewise.
	* include/termios.h: Likewise.
	* include/time.h: Likewise.
	* include/ulimit.h: Likewise.
	* include/utmp.h: Likewise.
	* include/wchar.h: Likewise.
	* include/wctype.h: Likewise.

1999-10-19  Andreas Jaeger  <aj@suse.de>

	* math/libm-test.inc: Remove one K&R compatibility.
	(main): Enable nexttoward_test.

	* math/gen-libm-test.pl (output_ulps): Output name of Ulps file to
	libm-test-ulps.h; pretty print output a bit.

1999-10-19  Andreas Jaeger  <aj@suse.de>

	* iconv/iconv_prog.c (main): Set exit value in case that reading
	from stdin failed [PR libc/1404].
---
 ChangeLog              |  43 +++++++++++++++++
 iconv/iconv_prog.c     |   5 +-
 include/bits/ipc.h     |   4 +-
 include/libintl.h      |  16 +++----
 include/math.h         |   2 +-
 include/mntent.h       |  16 +++----
 include/netdb.h        | 124 ++++++++++++++++++++++++-------------------------
 include/pwd.h          |  22 ++++-----
 include/sched.h        |  24 +++++-----
 include/shadow.h       |  26 +++++------
 include/stdlib.h       |  70 ++++++++++++++--------------
 include/sys/file.h     |   2 +-
 include/sys/gmon.h     |   4 +-
 include/sys/ioctl.h    |   2 +-
 include/sys/mman.h     |  16 +++----
 include/sys/resource.h |   6 +--
 include/sys/socket.h   |   2 +-
 include/sys/stat.h     |  18 +++----
 include/sys/sysinfo.h  |   8 ++--
 include/sys/time.h     |  24 +++++-----
 include/sys/times.h    |   2 +-
 include/sys/uio.h      |   8 ++--
 include/sys/wait.h     |  12 ++---
 include/termios.h      |   2 +-
 include/time.h         |  52 ++++++++++-----------
 include/ulimit.h       |   2 +-
 include/utmp.h         |  28 +++++------
 include/wchar.h        |  78 +++++++++++++++----------------
 include/wctype.h       |   2 +-
 math/gen-libm-test.pl  |  28 +++++------
 math/libm-test.inc     |   7 ++-
 31 files changed, 351 insertions(+), 304 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index c5c1387..688032e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,46 @@
+1999-10-19  Andreas Jaeger  <aj@suse.de>
+
+	* include/bits/ipc.h: Remove K&R compatibility.
+	* include/libintl.h: Likewise.
+	* include/math.h: Likewise.
+	* include/mntent.h: Likewise
+	* include/netdb.h: Likewise.
+	* include/pwd.h: Likewise.
+	* include/sched.h: Likewise.
+	* include/shadow.h: Likewise
+	* include/stdlib.h: Likewise.
+	* include/sys/file.h: Likewise.
+	* include/sys/gmon.h: Likewise.
+	* include/sys/ioctl.h: Likewise.
+	* include/sys/mman.h: Likewise.
+	* include/sys/resource.h: Likewise.
+	* include/sys/socket.h: Likewise.
+	* include/sys/stat.h: Likewise.
+	* include/sys/sysinfo.h: Likewise.
+	* include/sys/time.h: Likewise.
+	* include/sys/times.h: Likewise.
+	* include/sys/uio.h: Likewise.
+	* include/sys/wait.h: Likewise.
+	* include/termios.h: Likewise.
+	* include/time.h: Likewise.
+	* include/ulimit.h: Likewise.
+	* include/utmp.h: Likewise.
+	* include/wchar.h: Likewise.
+	* include/wctype.h: Likewise.
+
+1999-10-19  Andreas Jaeger  <aj@suse.de>
+
+	* math/libm-test.inc: Remove one K&R compatibility.
+	(main): Enable nexttoward_test.
+
+	* math/gen-libm-test.pl (output_ulps): Output name of Ulps file to
+	libm-test-ulps.h; pretty print output a bit.
+
+1999-10-19  Andreas Jaeger  <aj@suse.de>
+
+	* iconv/iconv_prog.c (main): Set exit value in case that reading
+	from stdin failed [PR libc/1404].
+
 1999-10-18  Andreas Jaeger  <aj@suse.de>
 
 	Added improved math testsuite:
diff --git a/iconv/iconv_prog.c b/iconv/iconv_prog.c
index cd00bbf..3eda49a 100644
--- a/iconv/iconv_prog.c
+++ b/iconv/iconv_prog.c
@@ -162,7 +162,10 @@ main (int argc, char *argv[])
      specified with the `-o' parameter.  If we have no file given as
      the parameter process all from stdin.  */
   if (remaining == argc)
-    process_file (cd, stdin, output);
+    {
+      if (process_file (cd, stdin, output) != 0)
+	status = 1;
+    }
   else
     do
       {
diff --git a/include/bits/ipc.h b/include/bits/ipc.h
index 5f699e8..92fb450 100644
--- a/include/bits/ipc.h
+++ b/include/bits/ipc.h
@@ -3,8 +3,8 @@
 __BEGIN_DECLS
 
 /* The actual system call: all functions are multiplexed by this.  */
-extern int __syscall_ipc __P ((int __call, int __first, int __second,
-			       int __third, void *__ptr));
+extern int __syscall_ipc (int __call, int __first, int __second,
+			  int __third, void *__ptr) __THROW;
 
 __END_DECLS
 
diff --git a/include/libintl.h b/include/libintl.h
index 5a51508..d81d604 100644
--- a/include/libintl.h
+++ b/include/libintl.h
@@ -2,14 +2,14 @@
 #include <intl/libintl.h>
 
 /* Now define the internal interfaces.  */
-extern char *__gettext __P ((__const char *__msgid));
-extern char *__dgettext __P ((__const char *__domainname,
-			      __const char *__msgid));
-extern char *__dcgettext __P ((__const char *__domainname,
-			       __const char *__msgid, int __category));
-extern char *__textdomain __P ((__const char *__domainname));
-extern char *__bindtextdomain __P ((__const char *__domainname,
-				    __const char *__dirname));
+extern char *__gettext (__const char *__msgid) __THROW;
+extern char *__dgettext (__const char *__domainname,
+			 __const char *__msgid) __THROW;
+extern char *__dcgettext (__const char *__domainname,
+			  __const char *__msgid, int __category) __THROW;
+extern char *__textdomain (__const char *__domainname) __THROW;
+extern char *__bindtextdomain (__const char *__domainname,
+			       __const char *__dirname) __THROW;
 extern const char _libc_intl_domainname[];
 
 /* Define the macros `_' and `N_' for conveniently marking translatable
diff --git a/include/math.h b/include/math.h
index 98ee97d..1cfd9b6 100644
--- a/include/math.h
+++ b/include/math.h
@@ -3,6 +3,6 @@
 #include <math/math.h>
 
 /* Now define the internal interfaces.  */
-extern int __matherr __P ((struct exception *__exc));
+extern int __matherr (struct exception *__exc) __THROW;
 
 #endif
diff --git a/include/mntent.h b/include/mntent.h
index ca8dfc5..5097e4a 100644
--- a/include/mntent.h
+++ b/include/mntent.h
@@ -2,12 +2,12 @@
 #include <misc/mntent.h>
 
 /* Now define the internal interfaces.  */
-extern FILE *__setmntent __P ((__const char *__file, __const char *__mode));
-extern struct mntent *__getmntent_r __P ((FILE *__stream,
-					  struct mntent *__result,
-					  char *__buffer, int __bufsize));
-extern int __addmntent __P ((FILE *__stream, __const struct mntent *__mnt));
-extern int __endmntent __P ((FILE *__stream));
-extern char *__hasmntopt __P ((__const struct mntent *__mnt,
-			       __const char *__opt));
+extern FILE *__setmntent (__const char *__file, __const char *__mode) __THROW;
+extern struct mntent *__getmntent_r (FILE *__stream,
+				     struct mntent *__result,
+				     char *__buffer, int __bufsize) __THROW;
+extern int __addmntent (FILE *__stream, __const struct mntent *__mnt) __THROW;
+extern int __endmntent (FILE *__stream) __THROW;
+extern char *__hasmntopt (__const struct mntent *__mnt,
+			  __const char *__opt) __THROW;
 #endif
diff --git a/include/netdb.h b/include/netdb.h
index 8fffe3c..cefd492 100644
--- a/include/netdb.h
+++ b/include/netdb.h
@@ -2,79 +2,79 @@
 #include <resolv/netdb.h>
 
 /* Document internal interfaces.  */
-extern int __gethostent_r __P ((struct hostent *__restrict __result_buf,
-				char *__restrict __buf, size_t __buflen,
-				struct hostent **__restrict __result,
-				int *__restrict __h_errnop));
+extern int __gethostent_r (struct hostent *__restrict __result_buf,
+			   char *__restrict __buf, size_t __buflen,
+			   struct hostent **__restrict __result,
+			   int *__restrict __h_errnop) __THROW;
 
-extern int __gethostbyaddr_r __P ((__const char *__restrict __addr,
-				   size_t __len, int __type,
-				   struct hostent *__restrict __result_buf,
-				   char *__restrict __buf, size_t __buflen,
-				   struct hostent **__restrict __result,
-				   int *__restrict __h_errnop));
+extern int __gethostbyaddr_r (__const char *__restrict __addr,
+			      size_t __len, int __type,
+			      struct hostent *__restrict __result_buf,
+			      char *__restrict __buf, size_t __buflen,
+			      struct hostent **__restrict __result,
+			      int *__restrict __h_errnop) __THROW;
 
-extern int __gethostbyname_r __P ((__const char *__restrict __name,
-				   struct hostent *__restrict __result_buf,
-				   char *__restrict __buf, size_t __buflen,
-				   struct hostent **__restrict __result,
-				   int *__restrict __h_errnop));
+extern int __gethostbyname_r (__const char *__restrict __name,
+			      struct hostent *__restrict __result_buf,
+			      char *__restrict __buf, size_t __buflen,
+			      struct hostent **__restrict __result,
+			      int *__restrict __h_errnop) __THROW;
 
-extern int __gethostbyname2_r __P ((__const char *__restrict __name, int __af,
-				    struct hostent *__restrict __result_buf,
-				    char *__restrict __buf, size_t __buflen,
-				    struct hostent **__restrict __result,
-				    int *__restrict __h_errnop));
-
-extern int __getnetent_r __P ((struct netent *__restrict __result_buf,
+extern int __gethostbyname2_r (__const char *__restrict __name, int __af,
+			       struct hostent *__restrict __result_buf,
 			       char *__restrict __buf, size_t __buflen,
-			       struct netent **__restrict __result,
-			       int *__restrict __h_errnop));
+			       struct hostent **__restrict __result,
+			       int *__restrict __h_errnop) __THROW;
 
-extern int __getnetbyaddr_r __P ((unsigned long int __net, int __type,
-				  struct netent *__restrict __result_buf,
-				  char *__restrict __buf, size_t __buflen,
-				  struct netent **__restrict __result,
-				  int *__restrict __h_errnop));
+extern int __getnetent_r (struct netent *__restrict __result_buf,
+			  char *__restrict __buf, size_t __buflen,
+			  struct netent **__restrict __result,
+			  int *__restrict __h_errnop) __THROW;
 
-extern int __getnetbyname_r __P ((__const char *__restrict __name,
-				  struct netent *__restrict __result_buf,
-				  char *__restrict __buf, size_t __buflen,
-				  struct netent **__restrict __result,
-				  int *__restrict __h_errnop));
+extern int __getnetbyaddr_r (unsigned long int __net, int __type,
+			     struct netent *__restrict __result_buf,
+			     char *__restrict __buf, size_t __buflen,
+			     struct netent **__restrict __result,
+			     int *__restrict __h_errnop) __THROW;
 
-extern int __getservent_r __P ((struct servent *__restrict __result_buf,
-				char *__restrict __buf, size_t __buflen,
-				struct servent **__restrict __result));
+extern int __getnetbyname_r (__const char *__restrict __name,
+			     struct netent *__restrict __result_buf,
+			     char *__restrict __buf, size_t __buflen,
+			     struct netent **__restrict __result,
+			     int *__restrict __h_errnop) __THROW;
 
-extern int __getservbyname_r __P ((__const char *__restrict __name,
-				   __const char *__restrict __proto,
-				   struct servent *__restrict __result_buf,
-				   char *__restrict __buf, size_t __buflen,
-				   struct servent **__restrict __result));
+extern int __getservent_r (struct servent *__restrict __result_buf,
+			   char *__restrict __buf, size_t __buflen,
+			   struct servent **__restrict __result) __THROW;
 
-extern int __getservbyport_r __P ((int __port,
-				   __const char *__restrict __proto,
-				   struct servent *__restrict __result_buf,
-				   char *__restrict __buf, size_t __buflen,
-				   struct servent **__restrict __result));
+extern int __getservbyname_r (__const char *__restrict __name,
+			      __const char *__restrict __proto,
+			      struct servent *__restrict __result_buf,
+			      char *__restrict __buf, size_t __buflen,
+			      struct servent **__restrict __result) __THROW;
 
-extern int __getprotoent_r __P ((struct protoent *__restrict __result_buf,
-				 char *__restrict __buf, size_t __buflen,
-				 struct protoent **__restrict __result));
+extern int __getservbyport_r (int __port,
+			      __const char *__restrict __proto,
+			      struct servent *__restrict __result_buf,
+			      char *__restrict __buf, size_t __buflen,
+			      struct servent **__restrict __result) __THROW;
 
-extern int __getprotobyname_r __P ((__const char *__restrict __name,
-				    struct protoent *__restrict __result_buf,
-				    char *__restrict __buf, size_t __buflen,
-				    struct protoent **__restrict __result));
+extern int __getprotoent_r (struct protoent *__restrict __result_buf,
+			    char *__restrict __buf, size_t __buflen,
+			    struct protoent **__restrict __result) __THROW;
 
-extern int __getprotobynumber_r __P ((int __proto,
-				      struct protoent *__restrict __res_buf,
-				      char *__restrict __buf, size_t __buflen,
-				      struct protoent **__restrict __result));
+extern int __getprotobyname_r (__const char *__restrict __name,
+			       struct protoent *__restrict __result_buf,
+			       char *__restrict __buf, size_t __buflen,
+			       struct protoent **__restrict __result) __THROW;
+
+extern int __getprotobynumber_r (int __proto,
+				 struct protoent *__restrict __res_buf,
+				 char *__restrict __buf, size_t __buflen,
+				 struct protoent **__restrict __result) __THROW;
 
-extern int __getnetgrent_r __P ((char **__restrict __hostp,
-				 char **__restrict __userp,
-				 char **__restrict __domainp,
-				 char *__restrict __buffer, size_t __buflen));
+extern int __getnetgrent_r (char **__restrict __hostp,
+			    char **__restrict __userp,
+			    char **__restrict __domainp,
+			    char *__restrict __buffer, size_t __buflen) __THROW;
 #endif /* !_NETDB_H */
diff --git a/include/pwd.h b/include/pwd.h
index 18e8ac7..6baec57 100644
--- a/include/pwd.h
+++ b/include/pwd.h
@@ -2,15 +2,15 @@
 #include <pwd/pwd.h>
 
 /* Now define the internal interfaces.  */
-extern int __getpwent_r __P ((struct passwd *__resultbuf, char *__buffer,
-			      size_t __buflen, struct passwd **__result));
-extern int __getpwuid_r __P ((__uid_t __uid, struct passwd *__resultbuf,
-			      char *__buffer, size_t __buflen,
-			      struct passwd **__result));
-extern int __getpwnam_r __P ((__const char *__name, struct passwd *__resultbuf,
-			      char *__buffer, size_t __buflen,
-			      struct passwd **__result));
-extern int __fgetpwent_r __P ((FILE * __stream, struct passwd *__resultbuf,
-			       char *__buffer, size_t __buflen,
-			       struct passwd **__result));
+extern int __getpwent_r (struct passwd *__resultbuf, char *__buffer,
+			 size_t __buflen, struct passwd **__result) __THROW;
+extern int __getpwuid_r (__uid_t __uid, struct passwd *__resultbuf,
+			 char *__buffer, size_t __buflen,
+			 struct passwd **__result) __THROW;
+extern int __getpwnam_r (__const char *__name, struct passwd *__resultbuf,
+			 char *__buffer, size_t __buflen,
+			 struct passwd **__result) __THROW;
+extern int __fgetpwent_r (FILE * __stream, struct passwd *__resultbuf,
+			  char *__buffer, size_t __buflen,
+			  struct passwd **__result) __THROW;
 #endif
diff --git a/include/sched.h b/include/sched.h
index 853174d..b159e7a 100644
--- a/include/sched.h
+++ b/include/sched.h
@@ -2,18 +2,18 @@
 #include <posix/sched.h>
 
 /* Now define the internal interfaces.  */
-extern int __sched_setparam __P ((__pid_t __pid,
-				  __const struct sched_param *__param));
-extern int __sched_getparam __P ((__pid_t __pid, struct sched_param *__param));
-extern int __sched_setscheduler __P ((__pid_t __pid, int __policy,
-				      __const struct sched_param *__param));
-extern int __sched_getscheduler __P ((__pid_t __pid));
-extern int __sched_yield __P ((void));
-extern int __sched_get_priority_max __P ((int __algorithm));
-extern int __sched_get_priority_min __P ((int __algorithm));
-extern int __sched_rr_get_interval __P ((__pid_t __pid, struct timespec *__t));
+extern int __sched_setparam (__pid_t __pid,
+			     __const struct sched_param *__param) __THROW;
+extern int __sched_getparam (__pid_t __pid, struct sched_param *__param) __THROW;
+extern int __sched_setscheduler (__pid_t __pid, int __policy,
+				 __const struct sched_param *__param) __THROW;
+extern int __sched_getscheduler (__pid_t __pid) __THROW;
+extern int __sched_yield (void) __THROW;
+extern int __sched_get_priority_max (int __algorithm) __THROW;
+extern int __sched_get_priority_min (int __algorithm) __THROW;
+extern int __sched_rr_get_interval (__pid_t __pid, struct timespec *__t) __THROW;
 
 /* This is Linux specific.  */
-extern int __clone __P ((int (*__fn) (void *__arg), void *__child_stack,
-			 int __flags, void *__arg));
+extern int __clone (int (*__fn) (void *__arg), void *__child_stack,
+		    int __flags, void *__arg) __THROW;
 #endif
diff --git a/include/shadow.h b/include/shadow.h
index be40eb4..18ed62c 100644
--- a/include/shadow.h
+++ b/include/shadow.h
@@ -2,17 +2,17 @@
 #include <shadow/shadow.h>
 
 /* Now define the internal interfaces.  */
-extern int __getspent_r __P ((struct spwd *__result_buf, char *__buffer,
-			      size_t __buflen, struct spwd **__result));
-extern int __getspnam_r __P ((__const char *__name, struct spwd *__result_buf,
-			      char *__buffer, size_t __buflen,
-			      struct spwd **__result));
-extern int __sgetspent_r __P ((__const char *__string,
-			       struct spwd *__result_buf, char *__buffer,
-			       size_t __buflen, struct spwd **__result));
-extern int __fgetspent_r __P ((FILE *__stream, struct spwd *__result_buf,
-			       char *__buffer, size_t __buflen,
-			       struct spwd **__result));
-extern int __lckpwdf __P ((void));
-extern int __ulckpwdf __P ((void));
+extern int __getspent_r (struct spwd *__result_buf, char *__buffer,
+			 size_t __buflen, struct spwd **__result) __THROW;
+extern int __getspnam_r (__const char *__name, struct spwd *__result_buf,
+			 char *__buffer, size_t __buflen,
+			 struct spwd **__result) __THROW;
+extern int __sgetspent_r (__const char *__string,
+			  struct spwd *__result_buf, char *__buffer,
+			  size_t __buflen, struct spwd **__result) __THROW;
+extern int __fgetspent_r (FILE *__stream, struct spwd *__result_buf,
+			  char *__buffer, size_t __buflen,
+			  struct spwd **__result) __THROW;
+extern int __lckpwdf (void) __THROW;
+extern int __ulckpwdf (void) __THROW;
 #endif
diff --git a/include/stdlib.h b/include/stdlib.h
index 187c458..65fd2cb 100644
--- a/include/stdlib.h
+++ b/include/stdlib.h
@@ -8,44 +8,44 @@
 
 /* Now define the internal interfaces.  */
 #ifndef __Need_M_And_C
-extern int32_t __random __P ((void));
-extern void __srandom __P ((unsigned int __seed));
-extern __ptr_t __initstate __P ((unsigned int __seed, __ptr_t __statebuf,
-				 size_t __statelen));
-extern __ptr_t __setstate __P ((__ptr_t __statebuf));
-extern int __random_r __P ((struct random_data *__buf, int32_t *__result));
-extern int __srandom_r __P ((unsigned int __seed, struct random_data *__buf));
-extern int __initstate_r __P ((unsigned int __seed, __ptr_t __statebuf,
-			       size_t __statelen, struct random_data *__buf));
-extern int __setstate_r __P ((__ptr_t __statebuf, struct random_data *__buf));
-extern int __rand_r __P ((unsigned int *__seed));
-extern int __erand48_r __P ((unsigned short int __xsubi[3],
-			     struct drand48_data *__buffer, double *__result));
-extern int __nrand48_r __P ((unsigned short int __xsubi[3],
-			     struct drand48_data *__buffer,
-			     long int *__result));
-extern int __jrand48_r __P ((unsigned short int __xsubi[3],
-			     struct drand48_data *__buffer,
-			     long int *__result));
-extern int __srand48_r __P ((long int __seedval,
-			     struct drand48_data *__buffer));
-extern int __seed48_r __P ((unsigned short int __seed16v[3],
-			    struct drand48_data *__buffer));
-extern int __lcong48_r __P ((unsigned short int __param[7],
-			     struct drand48_data *__buffer));
+extern int32_t __random (void) __THROW;
+extern void __srandom (unsigned int __seed) __THROW;
+extern void *__initstate (unsigned int __seed, void *__statebuf,
+			  size_t __statelen) __THROW;
+extern void *__setstate (void *__statebuf) __THROW;
+extern int __random_r (struct random_data *__buf, int32_t *__result) __THROW;
+extern int __srandom_r (unsigned int __seed, struct random_data *__buf) __THROW;
+extern int __initstate_r (unsigned int __seed, void *__statebuf,
+			  size_t __statelen, struct random_data *__buf) __THROW;
+extern int __setstate_r (void *__statebuf, struct random_data *__buf) __THROW;
+extern int __rand_r (unsigned int *__seed) __THROW;
+extern int __erand48_r (unsigned short int __xsubi[3],
+			struct drand48_data *__buffer, double *__result) __THROW;
+extern int __nrand48_r (unsigned short int __xsubi[3],
+			struct drand48_data *__buffer,
+			long int *__result) __THROW;
+extern int __jrand48_r (unsigned short int __xsubi[3],
+			struct drand48_data *__buffer,
+			long int *__result) __THROW;
+extern int __srand48_r (long int __seedval,
+			struct drand48_data *__buffer) __THROW;
+extern int __seed48_r (unsigned short int __seed16v[3],
+		       struct drand48_data *__buffer) __THROW;
+extern int __lcong48_r (unsigned short int __param[7],
+			struct drand48_data *__buffer) __THROW;
 
 /* Internal function to compute next state of the generator.  */
-extern int __drand48_iterate __P ((unsigned short int __xsubi[3],
-				   struct drand48_data *__buffer));
+extern int __drand48_iterate (unsigned short int __xsubi[3],
+			      struct drand48_data *__buffer) __THROW;
 
-extern int __setenv __P ((__const char *__name, __const char *__value,
-			  int __replace));
-extern void __unsetenv __P ((__const char *__name));
-extern int __clearenv __P ((void));
-extern char *__canonicalize_file_name __P ((__const char *__name));
-extern char *__realpath __P ((__const char *__name, char *__resolved));
-extern int __ptsname_r __P ((int __fd, char *__buf, size_t __buflen));
-extern int __getpt __P ((void));
+extern int __setenv (__const char *__name, __const char *__value,
+		     int __replace) __THROW;
+extern void __unsetenv (__const char *__name) __THROW;
+extern int __clearenv (void) __THROW;
+extern char *__canonicalize_file_name (__const char *__name) __THROW;
+extern char *__realpath (__const char *__name, char *__resolved) __THROW;
+extern int __ptsname_r (int __fd, char *__buf, size_t __buflen) __THROW;
+extern int __getpt (void) __THROW;
 
 extern int __add_to_environ (const char *name, const char *value,
 			     const char *combines, int replace);
diff --git a/include/sys/file.h b/include/sys/file.h
index c3f0af3..3dac129 100644
--- a/include/sys/file.h
+++ b/include/sys/file.h
@@ -2,5 +2,5 @@
 #include <misc/sys/file.h>
 
 /* Now define the internal interfaces.  */
-extern int __flock __P ((int __fd, int __operation));
+extern int __flock (int __fd, int __operation) __THROW;
 #endif
diff --git a/include/sys/gmon.h b/include/sys/gmon.h
index 492d853..5767759 100644
--- a/include/sys/gmon.h
+++ b/include/sys/gmon.h
@@ -4,6 +4,6 @@
 /* Now define the internal interfaces.  */
 
 /* Write current profiling data to file.  */
-extern void __write_profiling __P ((void));
-extern void write_profiling __P ((void));
+extern void __write_profiling (void) __THROW;
+extern void write_profiling (void) __THROW;
 #endif
diff --git a/include/sys/ioctl.h b/include/sys/ioctl.h
index 4d21030..bc1e6d6 100644
--- a/include/sys/ioctl.h
+++ b/include/sys/ioctl.h
@@ -2,5 +2,5 @@
 #include <misc/sys/ioctl.h>
 
 /* Now define the internal interfaces.  */
-extern int __ioctl __P ((int __fd, unsigned long int __request, ...));
+extern int __ioctl (int __fd, unsigned long int __request, ...) __THROW;
 #endif
diff --git a/include/sys/mman.h b/include/sys/mman.h
index 374de36..a76c236 100644
--- a/include/sys/mman.h
+++ b/include/sys/mman.h
@@ -2,14 +2,14 @@
 #include <misc/sys/mman.h>
 
 /* Now define the internal interfaces.  */
-extern __ptr_t __mmap __P ((__ptr_t __addr, size_t __len, int __prot,
-			    int __flags, int __fd, __off_t __offset));
-extern __ptr_t __mmap64 __P ((__ptr_t __addr, size_t __len, int __prot,
-			      int __flags, int __fd, __off64_t __offset));
-extern int __munmap __P ((__ptr_t __addr, size_t __len));
-extern int __mprotect __P ((__ptr_t __addr, size_t __len, int __prot));
+extern void *__mmap (void *__addr, size_t __len, int __prot,
+		     int __flags, int __fd, __off_t __offset) __THROW;
+extern void *__mmap64 (void *__addr, size_t __len, int __prot,
+		       int __flags, int __fd, __off64_t __offset) __THROW;
+extern int __munmap (void *__addr, size_t __len) __THROW;
+extern int __mprotect (void *__addr, size_t __len, int __prot) __THROW;
 
 /* This one is Linux specific.  */
-extern __ptr_t __mremap __P ((__ptr_t __addr, size_t __old_len,
-			    size_t __new_len, int __may_move));
+extern void *__mremap (void *__addr, size_t __old_len,
+		       size_t __new_len, int __may_move) __THROW;
 #endif
diff --git a/include/sys/resource.h b/include/sys/resource.h
index ec53c18..e234cc0 100644
--- a/include/sys/resource.h
+++ b/include/sys/resource.h
@@ -2,7 +2,7 @@
 #include <resource/sys/resource.h>
 
 /* Now define the internal interfaces.  */
-extern int __getrlimit __P ((enum __rlimit_resource __resource,
-			     struct rlimit *__rlimits));
-extern int __getrusage __P ((enum __rusage_who __who, struct rusage *__usage));
+extern int __getrlimit (enum __rlimit_resource __resource,
+			struct rlimit *__rlimits) __THROW;
+extern int __getrusage (enum __rusage_who __who, struct rusage *__usage) __THROW;
 #endif
diff --git a/include/sys/socket.h b/include/sys/socket.h
index 4766c20..d6737f5 100644
--- a/include/sys/socket.h
+++ b/include/sys/socket.h
@@ -2,5 +2,5 @@
 #include <socket/sys/socket.h>
 
 /* Now define the internal interfaces.  */
-extern int __socket __P ((int __domain, int __type, int __protocol));
+extern int __socket (int __domain, int __type, int __protocol) __THROW;
 #endif
diff --git a/include/sys/stat.h b/include/sys/stat.h
index 768630f..09e3964 100644
--- a/include/sys/stat.h
+++ b/include/sys/stat.h
@@ -2,15 +2,15 @@
 #include <io/sys/stat.h>
 
 /* Now define the internal interfaces. */
-extern int __stat __P ((__const char *__file, struct stat *__buf));
-extern int __fstat __P ((int __fd, struct stat *__buf));
-extern int __lstat __P ((__const char *__file, struct stat *__buf));
-extern int __chmod __P ((__const char *__file, __mode_t __mode));
-extern int __fchmod __P ((int __fd, __mode_t __mode));
-extern __mode_t __umask __P ((__mode_t __mask));
-extern int __mkdir __P ((__const char *__path, __mode_t __mode));
-extern int __mknod __P ((__const char *__path,
-			 __mode_t __mode, __dev_t __dev));
+extern int __stat (__const char *__file, struct stat *__buf) __THROW;
+extern int __fstat (int __fd, struct stat *__buf) __THROW;
+extern int __lstat (__const char *__file, struct stat *__buf) __THROW;
+extern int __chmod (__const char *__file, __mode_t __mode) __THROW;
+extern int __fchmod (int __fd, __mode_t __mode) __THROW;
+extern __mode_t __umask (__mode_t __mask) __THROW;
+extern int __mkdir (__const char *__path, __mode_t __mode) __THROW;
+extern int __mknod (__const char *__path,
+		    __mode_t __mode, __dev_t __dev) __THROW;
 extern __inline__ int __stat (__const char *__path, struct stat *__statbuf)
 {
   return __xstat (_STAT_VER, __path, __statbuf);
diff --git a/include/sys/sysinfo.h b/include/sys/sysinfo.h
index 9d1549d..c06c3ab 100644
--- a/include/sys/sysinfo.h
+++ b/include/sys/sysinfo.h
@@ -4,15 +4,15 @@
 /* Now we define the internal interface.  */
 
 /* Return number of configured processors.  */
-extern int __get_nprocs_conf __P ((void));
+extern int __get_nprocs_conf (void) __THROW;
 
 /* Return number of available processors.  */
-extern int __get_nprocs __P ((void));
+extern int __get_nprocs (void) __THROW;
 
 /* Return number of physical pages of memory in the system.  */
-extern int __get_phys_pages __P ((void));
+extern int __get_phys_pages (void) __THROW;
 
 /* Return number of available physical pages of memory in the system.  */
-extern int __get_avphys_pages __P ((void));
+extern int __get_avphys_pages (void) __THROW;
 
 #endif /* sys/sysinfo.h */
diff --git a/include/sys/time.h b/include/sys/time.h
index a6e5ac1..a281420 100644
--- a/include/sys/time.h
+++ b/include/sys/time.h
@@ -2,16 +2,16 @@
 #include <time/sys/time.h>
 
 /* Now document the internal interfaces.  */
-extern int __gettimeofday __P ((struct timeval *__tv,
-				struct timezone *__tz));
-extern int __settimeofday __P ((__const struct timeval *__tv,
-				__const struct timezone *__tz));
-extern int __adjtime __P ((__const struct timeval *__delta,
-			   struct timeval *__olddelta));
-extern int __getitimer __P ((enum __itimer_which __which,
-			     struct itimerval *__value));
-extern int __setitimer __P ((enum __itimer_which __which,
-			     __const struct itimerval *__new,
-			     struct itimerval *__old));
-extern int __utimes __P ((__const char *__file, struct timeval __tvp[2]));
+extern int __gettimeofday (struct timeval *__tv,
+			   struct timezone *__tz) __THROW;
+extern int __settimeofday (__const struct timeval *__tv,
+			   __const struct timezone *__tz) __THROW;
+extern int __adjtime (__const struct timeval *__delta,
+		      struct timeval *__olddelta) __THROW;
+extern int __getitimer (enum __itimer_which __which,
+			struct itimerval *__value) __THROW;
+extern int __setitimer (enum __itimer_which __which,
+			__const struct itimerval *__new,
+			struct itimerval *__old) __THROW;
+extern int __utimes (__const char *__file, struct timeval __tvp[2]) __THROW;
 #endif
diff --git a/include/sys/times.h b/include/sys/times.h
index 611bb2f..24f9fda 100644
--- a/include/sys/times.h
+++ b/include/sys/times.h
@@ -2,5 +2,5 @@
 #include <posix/sys/times.h>
 
 /* Now define the internal interfaces.  */
-extern clock_t __times __P ((struct tms *__buffer));
+extern clock_t __times (struct tms *__buffer) __THROW;
 #endif
diff --git a/include/sys/uio.h b/include/sys/uio.h
index a3f51e5..94ed4af 100644
--- a/include/sys/uio.h
+++ b/include/sys/uio.h
@@ -2,8 +2,8 @@
 #include <misc/sys/uio.h>
 
 /* Now define the internal interfaces.  */
-extern ssize_t __readv __P ((int __fd, __const struct iovec *__vector,
-			     int __count));
-extern ssize_t __writev __P ((int __fd, __const struct iovec *__vector,
-			      int __count));
+extern ssize_t __readv (int __fd, __const struct iovec *__vector,
+			int __count) __THROW;
+extern ssize_t __writev (int __fd, __const struct iovec *__vector,
+			 int __count) __THROW;
 #endif
diff --git a/include/sys/wait.h b/include/sys/wait.h
index 5ecce41..4b41bc8 100644
--- a/include/sys/wait.h
+++ b/include/sys/wait.h
@@ -2,10 +2,10 @@
 #include <posix/sys/wait.h>
 
 /* Now define the internal interfaces.  */
-extern __pid_t __waitpid __P ((__pid_t __pid, int *__stat_loc,
-			       int __options));
-extern __pid_t __wait3 __P ((__WAIT_STATUS __stat_loc,
-			     int __options, struct rusage * __usage));
-extern __pid_t __wait4 __P ((__pid_t __pid, __WAIT_STATUS __stat_loc,
-			     int __options, struct rusage *__usage));
+extern __pid_t __waitpid (__pid_t __pid, int *__stat_loc,
+			  int __options) __THROW;
+extern __pid_t __wait3 (__WAIT_STATUS __stat_loc,
+			int __options, struct rusage * __usage) __THROW;
+extern __pid_t __wait4 (__pid_t __pid, __WAIT_STATUS __stat_loc,
+			int __options, struct rusage *__usage) __THROW;
 #endif
diff --git a/include/termios.h b/include/termios.h
index ed3b365..d7aee06 100644
--- a/include/termios.h
+++ b/include/termios.h
@@ -2,5 +2,5 @@
 #include <termios/termios.h>
 
 /* Now define the internal interfaces.  */
-extern int __tcgetattr __P ((int __fd, struct termios *__termios_p));
+extern int __tcgetattr (int __fd, struct termios *__termios_p) __THROW;
 #endif
diff --git a/include/time.h b/include/time.h
index bba13e7..d0d7ebb 100644
--- a/include/time.h
+++ b/include/time.h
@@ -14,7 +14,7 @@ extern const unsigned short int __mon_yday[2][13];
 extern struct tm _tmbuf;
 
 /* Defined in tzset.c.  */
-extern char *__tzstring __P ((const char *string));
+extern char *__tzstring (const char *string) __THROW;
 
 /* Defined in tzset.c. */
 extern size_t __tzname_cur_max;
@@ -22,47 +22,47 @@ extern size_t __tzname_cur_max;
 
 extern int __use_tzfile;
 
-extern void __tzfile_read __P ((const char *file, size_t extra,
-				char **extrap));
-extern int __tzfile_compute __P ((time_t timer, int use_localtime,
-				  long int *leap_correct, int *leap_hit,
-				  struct tm *tp));
-extern void __tzfile_default __P ((const char *std, const char *dst,
-				   long int stdoff, long int dstoff));
+extern void __tzfile_read (const char *file, size_t extra,
+			   char **extrap) __THROW;
+extern int __tzfile_compute (time_t timer, int use_localtime,
+			     long int *leap_correct, int *leap_hit,
+			     struct tm *tp) __THROW;
+extern void __tzfile_default (const char *std, const char *dst,
+			      long int stdoff, long int dstoff) __THROW;
 
 /* Subroutine of `mktime'.  Return the `time_t' representation of TP and
    normalize TP, given that a `struct tm *' maps to a `time_t' as performed
    by FUNC.  Keep track of next guess for time_t offset in *OFFSET.  */
-extern time_t __mktime_internal __P ((struct tm *__tp,
-				      struct tm *(*__func) (const time_t *,
-							    struct tm *),
-				      time_t *__offset));
-extern struct tm *__localtime_r __P ((__const time_t *__timer,
-				      struct tm *__tp));
+extern time_t __mktime_internal (struct tm *__tp,
+				 struct tm *(*__func) (const time_t *,
+						       struct tm *),
+				 time_t *__offset) __THROW;
+extern struct tm *__localtime_r (__const time_t *__timer,
+				 struct tm *__tp) __THROW;
 
-extern struct tm *__gmtime_r __P ((__const time_t *__restrict __timer,
-				   struct tm *__restrict __tp));
+extern struct tm *__gmtime_r (__const time_t *__restrict __timer,
+			      struct tm *__restrict __tp) __THROW;
 
 /* Compute the `struct tm' representation of *T,
    offset OFFSET seconds east of UTC,
    and store year, yday, mon, mday, wday, hour, min, sec into *TP.
    Return nonzero if successful.  */
-extern int __offtime __P ((__const time_t *__timer,
-			   long int __offset,
-			   struct tm *__tp));
+extern int __offtime (__const time_t *__timer,
+		      long int __offset,
+		      struct tm *__tp) __THROW;
 
-extern char *__asctime_r __P ((__const struct tm *__tp, char *__buf));
-extern void __tzset __P ((void));
+extern char *__asctime_r (__const struct tm *__tp, char *__buf) __THROW;
+extern void __tzset (void) __THROW;
 
 /* Prototype for the internal function to get information based on TZ.  */
-extern struct tm *__tz_convert __P ((const time_t *timer, int use_localtime, struct tm *tp));
+extern struct tm *__tz_convert (const time_t *timer, int use_localtime, struct tm *tp) __THROW;
 
 /* Return the maximum length of a timezone name.
    This is what `sysconf (_SC_TZNAME_MAX)' does.  */
-extern long int __tzname_max __P ((void));
+extern long int __tzname_max (void) __THROW;
 
-extern int __nanosleep __P ((__const struct timespec *__requested_time,
-			     struct timespec *__remaining));
-extern int __getdate_r __P ((__const char *__string, struct tm *__resbufp));
+extern int __nanosleep (__const struct timespec *__requested_time,
+			struct timespec *__remaining) __THROW;
+extern int __getdate_r (__const char *__string, struct tm *__resbufp) __THROW;
 #endif
 #endif
diff --git a/include/ulimit.h b/include/ulimit.h
index 8dc51d5..f7c4b3b 100644
--- a/include/ulimit.h
+++ b/include/ulimit.h
@@ -2,5 +2,5 @@
 #include <resource/ulimit.h>
 
 /* Now define the internal interfaces.  */
-extern long int __ulimit __P ((int __cmd, ...));
+extern long int __ulimit (int __cmd, ...) __THROW;
 #endif
diff --git a/include/utmp.h b/include/utmp.h
index b7f7d5f..4f2bc88 100644
--- a/include/utmp.h
+++ b/include/utmp.h
@@ -2,18 +2,18 @@
 #include <login/utmp.h>
 
 /* Now define the internal interfaces.  */
-extern void __updwtmp __P ((__const char *__wtmp_file,
-			    __const struct utmp *__utmp));
-extern int __utmpname __P ((__const char *__file));
-extern struct utmp *__getutent __P ((void));
-extern void __setutent __P ((void));
-extern void __endutent __P ((void));
-extern struct utmp *__getutid __P ((__const struct utmp *__id));
-extern struct utmp *__getutline __P ((__const struct utmp *__line));
-extern struct utmp *__pututline __P ((__const struct utmp *__utmp_ptr));
-extern int __getutent_r __P ((struct utmp *__buffer, struct utmp **__result));
-extern int __getutid_r __P ((__const struct utmp *__id, struct utmp *__buffer,
-			     struct utmp **__result));
-extern int __getutline_r __P ((__const struct utmp *__line,
-			       struct utmp *__buffer, struct utmp **__result));
+extern void __updwtmp (__const char *__wtmp_file,
+		       __const struct utmp *__utmp) __THROW;
+extern int __utmpname (__const char *__file) __THROW;
+extern struct utmp *__getutent (void) __THROW;
+extern void __setutent (void) __THROW;
+extern void __endutent (void) __THROW;
+extern struct utmp *__getutid (__const struct utmp *__id) __THROW;
+extern struct utmp *__getutline (__const struct utmp *__line) __THROW;
+extern struct utmp *__pututline (__const struct utmp *__utmp_ptr) __THROW;
+extern int __getutent_r (struct utmp *__buffer, struct utmp **__result) __THROW;
+extern int __getutid_r (__const struct utmp *__id, struct utmp *__buffer,
+			struct utmp **__result) __THROW;
+extern int __getutline_r (__const struct utmp *__line,
+			  struct utmp *__buffer, struct utmp **__result) __THROW;
 #endif
diff --git a/include/wchar.h b/include/wchar.h
index f000331..0f70ced 100644
--- a/include/wchar.h
+++ b/include/wchar.h
@@ -3,45 +3,45 @@
 
 # ifdef _WCHAR_H
 /* Now define the internal interfaces.  */
-extern int __wcscasecmp __P ((__const wchar_t *__s1, __const wchar_t *__s2));
-extern int __wcsncasecmp __P ((__const wchar_t *__s1, __const wchar_t *__s2,
-                               size_t __n));
-extern size_t __wcsnlen __P ((__const wchar_t *__s, size_t __maxlen));
-extern wint_t __btowc __P ((int __c));
-extern int __mbsinit __P ((__const __mbstate_t *__ps));
-extern size_t __mbrtowc __P ((wchar_t *__restrict __pwc,
-			      __const char *__restrict __s, size_t __n,
-			      __mbstate_t *__restrict __p));
-extern size_t __wcrtomb __P ((char *__restrict __s, wchar_t __wc,
-			      __mbstate_t *__restrict __ps));
-extern size_t __mbsrtowcs __P ((wchar_t *__restrict __dst,
-				__const char **__restrict __src,
-				size_t __len, __mbstate_t *__restrict __ps));
-extern size_t __wcsrtombs __P ((char *__restrict __dst,
-				__const wchar_t **__restrict __src,
-				size_t __len, __mbstate_t *__restrict __ps));
-extern size_t __mbsnrtowcs __P ((wchar_t *__restrict __dst,
-				 __const char **__restrict __src, size_t __nmc,
-				 size_t __len, __mbstate_t *__restrict __ps));
-extern size_t __wcsnrtombs __P ((char *__restrict __dst,
-				 __const wchar_t **__restrict __src,
-				 size_t __nwc, size_t __len,
-				 __mbstate_t *__restrict __ps));
-extern wchar_t *__wcpcpy __P ((wchar_t *__dest, __const wchar_t *__src));
-extern wchar_t *__wcpncpy __P ((wchar_t *__dest, __const wchar_t *__src,
-				size_t __n));
-extern wchar_t *__wmemcpy __P ((wchar_t *__s1, __const wchar_t *s2,
-				size_t __n));
-extern wchar_t *__wmempcpy __P ((wchar_t *__restrict __s1,
-				 __const wchar_t *__restrict __s2,
-				 size_t __n));
-extern wchar_t *__wmemmove __P ((wchar_t *__s1, __const wchar_t *__s2,
-				 size_t __n));
-extern wchar_t *__wcschrnul __P ((__const wchar_t *__s, wchar_t __wc));
+extern int __wcscasecmp (__const wchar_t *__s1, __const wchar_t *__s2) __THROW;
+extern int __wcsncasecmp (__const wchar_t *__s1, __const wchar_t *__s2,
+			  size_t __n) __THROW;
+extern size_t __wcsnlen (__const wchar_t *__s, size_t __maxlen) __THROW;
+extern wint_t __btowc (int __c) __THROW;
+extern int __mbsinit (__const __mbstate_t *__ps) __THROW;
+extern size_t __mbrtowc (wchar_t *__restrict __pwc,
+			 __const char *__restrict __s, size_t __n,
+			 __mbstate_t *__restrict __p) __THROW;
+extern size_t __wcrtomb (char *__restrict __s, wchar_t __wc,
+			 __mbstate_t *__restrict __ps) __THROW;
+extern size_t __mbsrtowcs (wchar_t *__restrict __dst,
+			   __const char **__restrict __src,
+			   size_t __len, __mbstate_t *__restrict __ps) __THROW;
+extern size_t __wcsrtombs (char *__restrict __dst,
+			   __const wchar_t **__restrict __src,
+			   size_t __len, __mbstate_t *__restrict __ps) __THROW;
+extern size_t __mbsnrtowcs (wchar_t *__restrict __dst,
+			    __const char **__restrict __src, size_t __nmc,
+			    size_t __len, __mbstate_t *__restrict __ps) __THROW;
+extern size_t __wcsnrtombs (char *__restrict __dst,
+			    __const wchar_t **__restrict __src,
+			    size_t __nwc, size_t __len,
+			    __mbstate_t *__restrict __ps) __THROW;
+extern wchar_t *__wcpcpy (wchar_t *__dest, __const wchar_t *__src) __THROW;
+extern wchar_t *__wcpncpy (wchar_t *__dest, __const wchar_t *__src,
+			   size_t __n) __THROW;
+extern wchar_t *__wmemcpy (wchar_t *__s1, __const wchar_t *s2,
+			   size_t __n) __THROW;
+extern wchar_t *__wmempcpy (wchar_t *__restrict __s1,
+			    __const wchar_t *__restrict __s2,
+			    size_t __n) __THROW;
+extern wchar_t *__wmemmove (wchar_t *__s1, __const wchar_t *__s2,
+			    size_t __n) __THROW;
+extern wchar_t *__wcschrnul (__const wchar_t *__s, wchar_t __wc) __THROW;
 
-extern int __vfwscanf __P ((FILE *__restrict __s,
-			    __const wchar_t *__restrict __format,
-			    __gnuc_va_list __arg))
-     /* __attribute__ ((__format__ (__wscanf__, 2, 0))) */;
+extern int __vfwscanf (FILE *__restrict __s,
+		       __const wchar_t *__restrict __format,
+		       __gnuc_va_list __arg) __THROW
+     /* __attribute__ ((__format__ (__wscanf__, 2, 0) __THROW) */;
 # endif
 #endif
diff --git a/include/wctype.h b/include/wctype.h
index f93ec64..f1a00f8 100644
--- a/include/wctype.h
+++ b/include/wctype.h
@@ -2,6 +2,6 @@
 
 #include <wctype/wctype.h>
 
-extern int __iswspace __P ((wint_t __wc));
+extern int __iswspace (wint_t __wc);
 
 #endif
diff --git a/math/gen-libm-test.pl b/math/gen-libm-test.pl
index f7bd323..275ba7b 100755
--- a/math/gen-libm-test.pl
+++ b/math/gen-libm-test.pl
@@ -33,7 +33,7 @@ use vars qw (%ulps %failures);
 use vars qw (%beautify);
 use vars qw ($output_dir $ulps_file);
 
-%beautify = 
+%beautify =
   ( "minus_zero" => "-0",
     "plus_zero" => "+0",
     "minus_infty" => "-inf",
@@ -97,7 +97,7 @@ $count = 0;
 
 &parse_ulps ($ulps_file);
 &generate_testfile ($input, $output);
-&output_ulps ("${output_dir}libm-test-ulps.h");
+&output_ulps ("${output_dir}libm-test-ulps.h", $ulps_file);
 &print_ulps_file ("${output_dir}NewUlps") if ($opt_n);
 
 # Return a nicer representation
@@ -142,8 +142,8 @@ sub build_complex_beautify {
 sub get_variable {
   my ($number) = @_;
 
-  return "x" if ($number == 1); 
-  return "y" if ($number == 2); 
+  return "x" if ($number == 1);
+  return "y" if ($number == 2);
   return "z" if ($number == 3);
   # return x1,x2,...
   $number =-3;
@@ -186,7 +186,7 @@ sub special_functions {
   my (@args, $str, $test, $cline);
 
   @args = split /,\s*/, $args;
-  
+
   unless ($args[0] =~ /sincos/) {
     die ("Don't know how to handle $args[0] extra.");
   }
@@ -202,7 +202,7 @@ sub special_functions {
   $cline = "  check_float (\"$test\", sin_res, $args[2]";
   $cline .= &new_test ($test, $args[4]);
   print $file $cline;
-  
+
   # handle cos
   $test = $str . ' puts ' . &beautify ($args[3]) . ' in cos_res';
   $cline = "  check_float (\"$test\", cos_res, $args[3]";
@@ -261,7 +261,7 @@ sub parse_args {
   $call .= ')';
   $str = "$call == ";
 
-  # Result 
+  # Result
   @descr = split //,$descr_res;
   foreach (@descr) {
     if ($_ =~ /f|i|l|L/) {
@@ -382,7 +382,7 @@ sub parse_args {
       my ($str) = "$call sets x to $special[0]";
       $post = "  check_float (\"$str\", x, $special[0]";
       $post .= &new_test ($str, undef);
-    } 
+    }
   } elsif ($args[0] eq 'remquo') {
     if (defined $special[0] && $special[0] ne "IGNORE") {
       my ($str) = "$call sets x to $special[0]";
@@ -390,7 +390,7 @@ sub parse_args {
       $post .= &new_test ($str, undef);
     }
   }
-  
+
   print $file $pre if (defined $pre);
 
   print $file "  $cline\n";
@@ -500,7 +500,7 @@ sub print_ulps {
 # Clean up a floating point number
 sub clean_up_number {
   my ($number) = @_;
-  
+
   # Remove trailing zeros
   $number =~ s/0+$//;
   $number =~ s/\.$//;
@@ -586,21 +586,23 @@ sub output_test {
 
 # Print include file
 sub output_ulps {
-  my ($file) = @_;
+  my ($file, $ulps_filename) = @_;
   my ($i, $fct);
 
   open ULP, ">$file" or die ("Can't open $file: $!");
 
-  print ULP "/* This file is automatically generated.\n";
+  print ULP "/* This file is automatically generated\n";
+  print ULP "   from $ulps_filename with gen-libm-test.pl.\n";
   print ULP "   Don't change it - change instead the master files.  */\n\n";
 
+  print ULP "\n/* Maximal error of functions.  */\n";
   foreach $fct (@functions) {
     output_test (\*ULP, $fct, $fct);
   }
 
+  print ULP "\n/* Error of single function calls.  */\n";
   for ($i = 0; $i < $count; $i++) {
     output_test (\*ULP, $tests[$i], $i);
   }
   close ULP;
 }
-
diff --git a/math/libm-test.inc b/math/libm-test.inc
index 74bdd03..02b2f98 100644
--- a/math/libm-test.inc
+++ b/math/libm-test.inc
@@ -2969,7 +2969,7 @@ nextafter_test (void)
   END (nextafter);
 }
 
-#if 0
+
 static void
 nexttoward_test (void)
 {
@@ -2993,7 +2993,6 @@ nexttoward_test (void)
 
   END (nexttoward);
 }
-#endif
 
 
 static void
@@ -3706,7 +3705,7 @@ static const struct argp_option options[] =
 static const char doc[] = "Math test suite: " TEST_MSG ;
 
 /* Prototype for option handler.  */
-static error_t parse_opt __P ((int key, char *arg, struct argp_state *state));
+static error_t parse_opt (int key, char *arg, struct argp_state *state);
 
 /* Data structure to communicate with argp functions.  */
 static struct argp argp =
@@ -3884,7 +3883,7 @@ main (int argc, char **argv)
   /* Manipulation functions:  */
   copysign_test ();
   nextafter_test ();
-  //  nexttoward_test ();
+  nexttoward_test ();
 
   /* maximum, minimum and positive difference functions */
   fdim_test ();
-- 
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