update from main archive 961105cvs/libc-961106

Wed Nov  6 04:30:26 1996  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/sysv/linux/syscalls.list: Add weak alias llseek for
	_llseek syscall.  Reported by Andy Sewell <puck@pookhill.demon.co.uk>.

	* string/argz.h: Don't protect by __USE_GNU.

Tue Nov  5 23:38:28 1996  Ulrich Drepper  <drepper@cygnus.com>

	* Lots of files: Update and reformat copyright.

	* Makefile (headers): Add xopen_lim.h.

	* catgets/nl_types.h: Move __BEGIN_DECLS before definition of nl_catd.

	* grp/grp.h: Define setgrent, getgrent, endgrent, and getgrent_r
	if __USE_XOPEN_EXTENDED is defined.
	* pwd/pwd.h: Define setpwent, getpwent, endpwent, and getpwent_r
	if __USE_XOPEN_EXTENDED is defined.

	* io/Makefile (routines): Add lchown.

	* io/sys/poll.h: Add definition of POLLWRNORM.

	* io/sys/stat.h: Declare lstat, fchmod, mknod when
	__USE_XOPEN_EXTENDED is defined.

	* libio/Makefile (routines): Add obprintf.
	* libio/obprintf.c: New file.
	* libio/iolibio.h: Add prototypes for _IO_obstack_vprintf and
	_IO_obstack_printf.
	* libio/libio.h: Fix typo.
	* libio/stdio.h: Declare tempnam if __USE_XOPEN_EXTENDED is defined.
	Add prototypes for obstack_vprintf and obstack_printf.

	* manual/creature.texi: Describe _XOPEN_SOURCE macro.
	* manual/intro.texi: Add reference to NSS chapter.
	* manual/libc.texinfo: Update UPDATED.
	Comment out `@printindex cp'.  It works again.
	* manual/memory.texi: Add description for obstack_ptr_grow,
	obstack_int_grow, obstack_ptr_grow_fast, and obstack_int_grow_fast.
	* manual/nss.texi: Add a few @cindex entries and change NSS_STATUS_*
	index entries to @vindex.
	* manual/users.texi: Correct @cindex entry for Netgroup.

	* math/mathcalls.h: Use __USE_XOPEN and __USE_XOPEN_EXTENDED to
	make declarations visible for X/Open sources.

	* misc/search.h: Declare insque/remque only is __USE_SVID or
	__USE_XOPEN_EXTENDED is defined.

	* misc/sys/uio.h (readv, writev): Change return value from int to
	ssize_t.

	* posix/Makefile (headers): Add re_comp.h.
	* posix/re_comp.h: New file.  XPG interface to regex functions.

	* posix/getconf.c: Add all names from XPG4.2.
	* posix/posix1_lim.h: Increase minimum values for _POSIX_CHILD_MAX
	and _POSIX_OPEN_MAX to minimums from XPG4.2.
	* sysdeps/generic/confname.h: Add all _SC_* names from XPG4.2.
	* sysdeps/posix/sysconf.c: Handle new _SC_* values.
	* sysdeps/stub/sysconf.c: Likewise.

	* posix/unistd.h: Add declaration of ualarm and lchown.  Declare
	usleep, fchown, fchdir, nice, getpgid, setsid, getsid, setreuid,
	setregid, vfork, ttyslot, symlink, readlink, gethostid, truncate,
	ftruncate, getdtablesize, brk, sbrk, lockf when
	__USE_XOPEN_EXTENDED is defined.

	* posix/sys/wait.h: Declare wait3 if __USE_XOPEN_EXTENDED is defined.

	* shadow/shadow.h: Define SHADOW using _PATH_SHADOW.
	* sysdeps/generic/paths.h: Define _PATH_SHADOW.
	* sysdeps/unix/sysv/linux/paths.h: Likewise.

	* signal/signal.h: Declare killpg, sigstack and sigaltstack when
	__USE_XOPEN_EXTENDED is defined.

	* stdio/stdio.h: Declare tempnam when __USE_XOPEN is defined.

	* stdlib/stdlib.h: Make rand48 functions available when __USE_XOPEN
	is defined.
	Likewise for valloc, putenv, realpath, [efg]cvt*, and getsubopt
	functions.

	* string/string.h: Make memccpy, strdup, bcmp, bcopy, bzero, index,
	and rindex available when __USE_XOPEN_EXTENDED is defined.

	* sysdeps/mach/getpagesize.c: De-ANSI-fy.  Change return type to int.
	* sysdeps/posix/getpagesize.c: Likewise.
	* sysdeps/stub/getpagesize.c: Likewise.
	* sysdeps/unix/getpagesize.c: Likewise.

	* time/africa: Update from tzdata1996l.
	* time/asia: Likewise.
	* time/australia: Likewise.
	* time/europe: Likewise.
	* time/northamerica: Likewise.
	* time/pacificnew: Likewise.
	* time/southamerica: Likewise.
	* time/tzfile.h: Update from tzcode1996m.

	* time/time.h: Declare strptime if __USE_XOPEN.
	Declare daylight and timezone also if __USE_XOPEN.

	* time/sys/time.h: Remove declaration of ualarm.

	* wctype/wctype.h: Just reference ISO C standard.

Tue Nov  5 01:26:32 1996  Richard Henderson  <rth@tamu.edu>

	* crypt/Makefile: Add crypt routines to libc as well iff
	$(crypt-in-libc) is set.  Do this for temporary binary compatibility
	on existing Linux/Alpha installations.

	* stdlib/div.c, sysdeps/generic/div.c: Move file to .../generic/.
	* stdlib/ldiv.c, sysdeps/generic/ldiv.c: Likewise.
	* stdlib/lldiv.c, sysdeps/generic/lldiv.c: Likewise.
	* sysdeps/alpha/Makefile (divrem): Add divlu, dviqu, remlu, and
	remqu.
	* sysdeps/alpha/div.S: New file.
	* sysdeps/alpha/ldiv.S: New file.
	* sysdeps/alpha/lldiv.S: New file.
	* sysdeps/alpha/divrem.h: Merge signed and unsigned division.
	Take pointers from Linus and tighten the inner loops a bit.
	* sysdeps/alpha/divl.S: Change defines for merged routines.
	* sysdeps/alpha/divq.S: Likewise.
	* sysdeps/alpha/reml.S: Likewise.
	* sysdeps/alpha/remq.S: Likewise.
	* sysdeps/alpha/divlu.S: Remove file.
	* sysdeps/alpha/divqu.S: Likewise.
	* sysdeps/alpha/remlu.S: Likewise.
	* sysdeps/alpha/remqu.S: Likewise.

	* sysdeps/alpha/bsd-_setjmp.S: If PROF, call _mcount.
	* sysdeps/alpha/bsd-setjmp.S: Likewise.
	* sysdeps/alpha/bzero.S: Likewise.
	* sysdeps/alpha/ffs.S: Likewise.
	* sysdeps/alpha/htonl.S: Likewise.
	* sysdeps/alpha/htons.S: Likewise.
	* sysdeps/alpha/memchr.S: Likewise.
	* sysdeps/alpha/memset.S: Likewise.
	* sysdeps/alpha/s_copysign.S: Likewise.
	* sysdeps/alpha/s_fabs.S: Likewise.
	* sysdeps/alpha/setjmp.S: Likewise.
	* sysdeps/alpha/stpcpy.S: Likewise.
	* sysdeps/alpha/stpncpy.S: Likewise.
	* sysdeps/alpha/strcat.S: Likewise.
	* sysdeps/alpha/strchr.S: Likewise.
	* sysdeps/alpha/strcpy.S: Likewise.
	* sysdeps/alpha/strlen.S: Likewise.
	* sysdeps/alpha/strncat.S: Likewise.
	* sysdeps/alpha/strncpy.S: Likewise.
	* sysdeps/alpha/strrchr.S: Likewise.
	* sysdeps/alpha/udiv_qrnnd.S: Likewise.  Fix private labels.
	Convert two small jumps to use conditional moves.
	* sysdeps/unix/alpha/sysdep.h: Compress all __STDC__ nastiness.
	(PSEUDO): If PROF, call _mcount.
	* sysdeps/unix/sysv/linux/alpha/brk.S: If PROF, call _mcount.
	* sysdeps/unix/sysv/linux/alpha/clone.S: Likewise.
	* sysdeps/unix/sysv/linux/alpha/ieee_get_fp_control.S: Likewise.
	* sysdeps/unix/sysv/linux/alpha/ieee_set_fp_control.S: Likewise.
	* sysdeps/unix/sysv/linux/alpha/llseek.S: Likewise.
	* sysdeps/unix/sysv/linux/alpha/sigsuspend.S: Likewise.
	* sysdeps/unix/sysv/linux/alpha/syscall.S: Likewise.

	* sysdeps/alpha/memcpy.S: New file.  Odd layout because it should
	eventually contain memmove as well.
	* sysdeps/alpha/strcmp.S: New file.
	* sysdeps/alpha/strncmp.S: New file.
	* sysdeps/alpha/w_sqrt.S: New file.

Tue Nov  5 18:06:06 1996  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/mach/hurd/ttyname_r.c: Use `size_t' for len variable.

Tue Nov  5 12:09:29 1996  Ulrich Drepper  <drepper@cygnus.com>

	* sysdep/generic/sysdep.h: Define END only if not yet defined.
	* sysdep/unix/sysdep.h: Define PSEUDO_END only if not yet defined.
	Reported by Thomas Bushnell, n/BSG.

Mon Nov  4 22:46:53 1996  Ulrich Drepper  <drepper@cygnus.com>

	* manual/users.texi (Netgroup Data): Remove { } around @cindex.

Mon Nov  4 19:07:05 1996  Ulrich Drepper  <drepper@cygnus.com>

	* malloc/calloc.c: Check for overflow before trying to allocate
	memory.  Proposed by Neil Matthews <nm@adv.sbc.sony.co.jp>.

Fri Nov  1 18:18:32 1996  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* manual/llio.texi (Operating Modes): Add missing arguments to
	@deftypevr in O_NONBLOCK description.

	* manual/time.texi (Time Zone Functions): Enclose type name in
	braces in description of tzname.  FIXME: this does not yet work
	correctly in info.

Sun Nov  3 17:29:06 1996  Ulrich Drepper  <drepper@cygnus.com>

	* features.h: Add X/Open macros.
	* posix/unistd.h: Define X/Open macros.
	* sysdeps/generic/confname.h: Add _SC_XOPEN_XCU_VERSION,
	_SC_XOPEN_UNIX, _SC_XOPEN_CRYPT, _SC_XOPEN_ENH_I18N,
	_SC_XOPEN_SHM, _SC_2_CHAR_TERM, _SC_2_C_VERSION, and _SC_2_UPE.
	* sysdeps/posix/sysconf.c: Handle new constants.
	* sysdeps/stub/sysconf.c: Likewise.
	* sysdeps/unix/sysv/linux/posix_opt.h: Add definition of _XOPEN_SHM.

	* catgets/catgets.c (catopen): Set errno to ENOMEM when
	we run out of memory.
	(catgets): Set errno to EBADF when catalog handle is invalid.
	Set errno to ENOMSG when translation is not available.
	(catclose): Set errno to EBADF when catalog handle is invalid.

	* ctype/ctype.h: Declare isascii and toascii when __USE_XOPEN.
	Likewise for _toupper and _tolower.

	* manual/arith.texi: Document strtoq, strtoll, strtouq, strtoull,
	strtof, and strtold.
	* manual/math.texi: Document HUGE_VALf and HUGE_VALl.
	* manual/stdio.h: Document ' flag for numeric formats of scanf.
	* manual/users.texi: Document that cuserid shouldn't be used.

	* misc/Makefile (routines): Add dirname.
	(headers): Add libgen.h.
	(tests): Add tst-dirname.
	* misc/dirname.c: New file.
	* misc/libgen.h: New file.
	* misc/tst-dirname.c: New file.

	* misc/search.h: Parameter of hcreate must be of type size_t.
	* misc/hsearch.c: Likewise.
	* misc/hsearch_r.c: Likewise for hcreate_r.
	* misc/search.h: Parameters of insque and remque must be `void *'.
	* misc/insremque.c: Likewise.

	* posix/unistd.h: Move declarations of mktemp and mkstemp to...
	* stdlib/stdlib.h: ...here.
	* posix/unistd.h [__USE_XOPEN]: Add prototypes for crypt, setkey,
	encrypt, and swab.

	* stdio-common/printf-parse.h (struct printf_spec): Add pa_wchar
	and pa_wstring.
	(parse_one_spec): Remove Linux compatibility code.
	Recognize %C and %S formats.
	* stdio-common/printf.h: Add PA_WCHAR and PA_WSTRING.
	* stdio-common/vfprintf.c: Add implementation of %C and %S format.
	* stdio-common/vfscanf.c: Likewise for scanf.

	* stdlib/l64a.c: Return value for 0 must be the empty string.
	* stdlib/stdlib.h: Declare reentrant function from rand49 family
	only if __USE_REENTRANT.
	Declare rand48 functions also if __USE_XOPEN.

	* stdlib/strtol.c: Return 0 and set errno to EINVAL when BASE is
	not a legal value.
	Return 0 and set errno to EINVAL when strou* sees negativ number.
	* stdlib/tst-strtol.c: De-ANSI-fy.
	Change expected results for test of unsigned function and negative
	input.

	* string/stratcliff.c: Prevent warnings.
	* string.h: Move declaration of swab to <unistd.h>.
	* string/swab.c: De-ANSI-fy.

	* sysdeps/posix/cuserid.c: Implement using getpwuid_r.
	* sysdeps/posix/mkstemp.c: Include <stdlib.h> for prototype.
	* sysdeps/posix/mktemp.c: Likewise.
	* sysdeps/stub/mkstemp.c: Likewise.
	* sysdeps/stub/mktemp.c: Likewise.

	* sysvipc/sys/ipc.h: Prototypes of ftok have to be of types `const
 	char *' and `int'.
	* sysvipc/ftok.c: Likewise.  Make sure only lower 8 bits of
 	PROJ_ID are used.

Sun Nov  3 03:21:28 1996  Heiko Schroeder  <Heiko.Schroeder@post.rwth-aachen.de>

	* locale/programs/ld-numeric.c (numeric_output): Compute idx[0]
	correctly.

Sat Nov  2 17:44:32 1996  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/posix/cuserid.c: Use reentrant functions.
	* manual/users.texi: Tell that cuserid is marked to be withdrawn in
	XPG4.2.

Sat Nov  2 14:26:37 1996  Ulrich Drepper  <drepper@cygnus.com>

	Linus said he will make sure no system call will return a value
	in -1 ... -4095 as a valid result.
	* sysdeps/unix/sysv/linux/i386/sysdep.h: Correct test for error.
	* sysdeps/unix/sysv/linux/i386/syscall.S: Likewise.
	* sysdeps/unix/sysv/linux/m68k/sysdep.h: Likewise.
	* sysdeps/unix/sysv/linux/m68k/syscall.S: Likewise.

Sat Nov  2 16:54:49 1996  NIIBE Yutaka  <gniibe@mri.co.jp>

	* sysdeps/stub/lockfile.c [!USE_IN_LIBIO]: Define weak alias for
	__funlockfile, not a circular alias.
	Define __IO_ftrylockfile if USE_IN_LIBIO and __ftrylockfile if not,
	not vice versa.

	* sysdeps/unix/sysv/linux/i386/sysdep.S (__errno_location): Make
	it a weak symbol.
	* sysdeps/unix/sysv/linux/m68k/sysdep.S (__errno_location): Likewise.


	Likewise.

	* crypt/Makefile (rpath-link): Extend search path to current directory.

1 files changed, 82 insertions, 45 deletions

diff --git a/stdlib/stdlib.h b/stdlib/stdlib.h
index b43c170951..8f94f3b168 100644
--- a/stdlib/stdlib.h
+++ b/stdlib/stdlib.h
@@ -188,7 +188,7 @@ extern __inline long int atol (__const char *__nptr)
 #endif /* Optimizing GCC >=2.  */
 
 
-#ifdef __USE_SVID
+#if defined(__USE_SVID) || defined(__USE_XOPEN_EXTENDED)
 /* Convert N to base 64 using the digits "./0-9A-Za-z", least-significant
    digit first.  Returns a pointer to static storage overwritten by the
    next call.  */
@@ -196,15 +196,7 @@ extern char *l64a __P ((long int __n));
 
 /* Read a number from a string S in base 64 as above.  */
 extern long int a64l __P ((__const char *__s));
-#endif
-
-
-/* Return a random integer between 0 and RAND_MAX inclusive.  */
-extern int rand __P ((void));
-/* Seed the random number generator with the given number.  */
-extern void srand __P ((unsigned int __seed));
 
-#ifdef	__USE_BSD
 
 #include <sys/types.h>	/* we need int32_t... */
 
@@ -262,13 +254,36 @@ 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));
-#endif	/* __USE_REENTRANT.  */
+#endif	/* Use reentrant.  */
 #endif	/* Use BSD.  */
 
 
-#ifdef	__USE_SVID
+/* Return a random integer between 0 and RAND_MAX inclusive.  */
+extern int rand __P ((void));
+/* Seed the random number generator with the given number.  */
+extern void srand __P ((unsigned int __seed));
+
+
+#if defined(__USE_SVID) || defined(__USE_XOPEN)
 /* System V style 48-bit random number generator functions.  */
 
+/* Return non-negative, double-precision floating-point value in [0.0,1.0).  */
+extern double drand48 __P ((void));
+extern double erand48 __P ((unsigned short int __xsubi[3]));
+
+/* Return non-negative, long integer in [0,2^31).  */
+extern long lrand48 __P ((void));
+extern long nrand48 __P ((unsigned short int __xsubi[3]));
+
+/* Return signed, long integers in [-2^31,2^31).  */
+extern long mrand48 __P ((void));
+extern long jrand48 __P ((unsigned short int __xsubi[3]));
+
+/* Seed random number generator.  */
+extern void srand48 __P ((long __seedval));
+extern unsigned short int *seed48 __P ((unsigned short int __seed16v[3]));
+extern void lcong48 __P ((unsigned short int __param[7]));
+
 /* Data structure for communication with thread safe versions.  */
 struct drand48_data
   {
@@ -279,38 +294,34 @@ struct drand48_data
     int init;			/* Flag for initializing.  */
   };
 
+#ifdef __USE_REENTRANT
 /* Return non-negative, double-precision floating-point value in [0.0,1.0).  */
-extern double drand48 __P ((void));
 extern int drand48_r __P ((struct drand48_data *__buffer, double *__result));
-extern double erand48 __P ((unsigned short int __xsubi[3]));
 extern int erand48_r __P ((unsigned short int __xsubi[3],
 			   struct drand48_data *__buffer, double *__result));
+
 /* Return non-negative, long integer in [0,2^31).  */
-extern long lrand48 __P ((void));
 extern int lrand48_r __P ((struct drand48_data *__buffer, long *__result));
-extern long nrand48 __P ((unsigned short int __xsubi[3]));
 extern int nrand48_r __P ((unsigned short int __xsubi[3],
 			   struct drand48_data *__buffer, long *__result));
+
 /* Return signed, long integers in [-2^31,2^31).  */
-extern long mrand48 __P ((void));
 extern int mrand48_r __P ((struct drand48_data *__buffer, long *__result));
-extern long jrand48 __P ((unsigned short int __xsubi[3]));
 extern int jrand48_r __P ((unsigned short int __xsubi[3],
 			   struct drand48_data *__buffer, long *__result));
+
 /* Seed random number generator.  */
-extern void srand48 __P ((long __seedval));
 extern int srand48_r __P ((long __seedval, struct drand48_data *__buffer));
-extern unsigned short int *seed48 __P ((unsigned short int __seed16v[3]));
 extern int seed48_r __P ((unsigned short int __seed16v[3],
 			  struct drand48_data *__buffer));
-extern void lcong48 __P ((unsigned short int __param[7]));
 extern int lcong48_r __P ((unsigned short int __param[7],
 			   struct drand48_data *__buffer));
+#endif	/* Use reentrant.  */
 
 /* Internal function to compute next state of the generator.  */
 extern int __drand48_iterate __P ((unsigned short int __xsubi[3],
 				   struct drand48_data *__buffer));
-#endif	/* __USE_SVID.  */
+#endif	/* Use SVID or X/Open.  */
 
 
 /* Allocate SIZE bytes of memory.  */
@@ -332,7 +343,7 @@ extern void cfree __P ((__ptr_t __ptr));
 #include <alloca.h>
 #endif /* Use GNU, BSD, or misc.  */
 
-#ifdef	__USE_BSD
+#if defined(__USE_BSD) || defined(__USE_XOPEN_EXTENDED)
 /* Allocate SIZE bytes on a page boundary.  The storage cannot be freed.  */
 extern __ptr_t valloc __P ((size_t __size));
 #endif
@@ -365,7 +376,7 @@ extern char *getenv __P ((__const char *__name));
    programs is running with SUID or SGID enabled.  */
 extern char *__secure_getenv __P ((__const char *__name));
 
-#ifdef	__USE_SVID
+#if defined(__USE_SVID) || defined(__USE_XOPEN)
 /* The SVID says this is in <stdio.h>, but this seems a better place.	*/
 /* Put STRING, which is of the form "NAME=VALUE", in the environment.
    If there is no `=', remove NAME from the environment.  */
@@ -389,6 +400,23 @@ extern void unsetenv __P ((__const char *__name));
 extern int clearenv __P ((void));
 #endif
 
+
+#if defined(__USE_MISC) || defined(__USE_XOPEN_EXTENDED)
+/* Generate a unique temporary file name from TEMPLATE.
+   The last six characters of TEMPLATE must be "XXXXXX";
+   they are replaced with a string that makes the file name unique.
+   Returns TEMPLATE, or a null pointer if it cannot get a unique file name.  */
+extern char *mktemp __P ((char *__template));
+
+/* Generate a unique temporary file name from TEMPLATE.
+   The last six characters of TEMPLATE must be "XXXXXX";
+   they are replaced with a string that makes the filename unique.
+   Returns a file descriptor open on the file for reading and writing,
+   or -1 if it cannot create a uniquely-named file.  */
+extern int mkstemp __P ((char *__template));
+#endif
+
+
 /* Execute the given line as a shell command.  */
 extern int system __P ((__const char *__command));
 
@@ -400,7 +428,7 @@ extern int system __P ((__const char *__command));
 extern char *canonicalize_file_name __P ((__const char *__name));
 #endif
 
-#ifdef	__USE_BSD
+#if defined(__USE_BSD) || defined(__USE_XOPEN_EXTENDED)
 /* Return the canonical absolute name of file NAME.  The last file name
    component need not exist, and may be a symlink to a nonexistent file.
    If RESOLVED is null, the result is malloc'd; otherwise, if the canonical
@@ -451,47 +479,49 @@ extern lldiv_t lldiv __P ((long long int __numer, long long int __denom)) __attr
 #endif
 
 
-#ifdef __USE_SVID
+#if defined(__USE_SVID) || defined(__USE_XOPEN_EXTENDED)
 /* Convert floating point numbers to strings.  The returned values are
    valid only until another call to the same function.  */
 
 /* Convert VALUE to a string with NDIGIT digits and return a pointer to
    this.  Set *DECPT with the position of the decimal character and *SIGN
    with the sign of the number.  */
-char *ecvt __P ((double __value, int __ndigit, int *__decpt, int *__sign));
+extern char *ecvt __P ((double __value, int __ndigit, int *__decpt,
+			int *__sign));
 
 /* Convert VALUE to a string rounded to NDIGIT decimal digits.  Set *DECPT
    with the position of the decimal character and *SIGN with the sign of
    the number.  */
-char *fcvt __P ((double __value, int __ndigit, int *__decpt, int *__sign));
+extern char *fcvt __P ((double __value, int __ndigit, int *__decpt,
+			int *__sign));
 
 /* If possible convert VALUE to a string with NDIGIT significant digits.
    Otherwise use exponential representation.  The resulting string will
    be written to BUF.  */
-char *gcvt __P ((double __value, int __ndigit, char *__buf));
+extern char *gcvt __P ((double __value, int __ndigit, char *__buf));
 
 /* Long double versions of above functions.  */
-char *qecvt __P ((__long_double_t __value, int __ndigit, int *__decpt,
-		  int *__sign));
-char *qfcvt __P ((__long_double_t __value, int __ndigit, int *__decpt,
-		  int *__sign));
-char *qgcvt __P ((__long_double_t __value, int __ndigit, char *__buf));
+extern char *qecvt __P ((__long_double_t __value, int __ndigit, int *__decpt,
+			 int *__sign));
+extern char *qfcvt __P ((__long_double_t __value, int __ndigit, int *__decpt,
+			 int *__sign));
+extern char *qgcvt __P ((__long_double_t __value, int __ndigit, char *__buf));
 
 
 #ifdef __USE_REENTRANT
 /* Reentrant version of the functions above which provide their own
    buffers.  */
-int ecvt_r __P ((double __value, int __ndigit, int *__decpt, int *__sign,
-		 char *__buf, size_t __len));
-int fcvt_r __P ((double __value, int __ndigit, int *__decpt, int *__sign,
-		 char *__buf, size_t __len));
-
-int qecvt_r __P ((__long_double_t __value, int __ndigit, int *__decpt,
-		  int *__sign, char *__buf, size_t __len));
-int qfcvt_r __P ((__long_double_t __value, int __ndigit, int *__decpt,
-		  int *__sign, char *__buf, size_t __len));
-#endif
-#endif
+extern int ecvt_r __P ((double __value, int __ndigit, int *__decpt,
+			int *__sign, char *__buf, size_t __len));
+extern int fcvt_r __P ((double __value, int __ndigit, int *__decpt,
+			int *__sign, char *__buf, size_t __len));
+
+extern int qecvt_r __P ((__long_double_t __value, int __ndigit, int *__decpt,
+			 int *__sign, char *__buf, size_t __len));
+extern int qfcvt_r __P ((__long_double_t __value, int __ndigit, int *__decpt,
+			 int *__sign, char *__buf, size_t __len));
+#endif	/* reentrant */
+#endif	/* use MISC || use X/Open Unix */
 
 
 /* Return the length of the multibyte character
@@ -525,7 +555,7 @@ extern int rpmatch __P ((__const char *__response));
 #endif
 
 
-#ifdef __USE_MISC
+#ifdef __USE_XOPEN_EXTENDED
 /* Parse comma separated suboption from *OPTIONP and match against
    strings in TOKENS.  If found return index and set *VALUEP to
    optional value introduced by an equal sign.  If the suboption is
@@ -537,6 +567,13 @@ extern int getsubopt __P ((char **__optionp, __const char *__const *__tokens,
 #endif
 
 
+#ifdef __USE_XOPEN
+
+/* Setup DES tables according KEY.  */
+extern void setkey __P ((__const char *__key));
+#endif
+
+
 __END_DECLS
 
 #endif /* stdlib.h  */