diff --git a/lib/libc/stdio/Makefile.inc b/lib/libc/stdio/Makefile.inc
index dbceec49f80..3e5ecf15a40 100644
--- a/lib/libc/stdio/Makefile.inc
+++ b/lib/libc/stdio/Makefile.inc
@@ -1,10 +1,11 @@
 #	@(#)Makefile.inc	8.3 (Berkeley) 4/17/94
-#	$Id: Makefile.inc,v 1.12 1998/02/13 02:13:23 imp Exp $
+#	$Id: Makefile.inc,v 1.13 1998/03/12 12:05:14 bde Exp $
 
 # stdio sources
 .PATH: ${.CURDIR}/../libc/stdio
 
-SRCS+=	asprintf.c clrerr.c fclose.c fdopen.c feof.c ferror.c fflush.c \
+SRCS+=	_flock_stub.c \
+	asprintf.c clrerr.c fclose.c fdopen.c feof.c ferror.c fflush.c \
 	fgetc.c fgetln.c fgetpos.c fgets.c fileno.c findfp.c flags.c fopen.c \
 	fprintf.c fpurge.c fputc.c fputs.c fread.c freopen.c fscanf.c \
 	fseek.c fsetpos.c ftell.c funopen.c fvwrite.c fwalk.c fwrite.c \
@@ -12,9 +13,16 @@ SRCS+=	asprintf.c clrerr.c fclose.c fdopen.c feof.c ferror.c fflush.c \
 	printf.c putc.c putchar.c puts.c putw.c refill.c remove.c rewind.c \
 	rget.c scanf.c setbuf.c setbuffer.c setvbuf.c snprintf.c sprintf.c \
 	sscanf.c stdio.c tempnam.c tmpfile.c tmpnam.c ungetc.c vasprintf.c \
-	vfprintf.c vfscanf.c vprintf.c vscanf.c vsnprintf.c vsprintf.c \
+	vfscanf.c vprintf.c vscanf.c vsnprintf.c vsprintf.c \
 	vsscanf.c wbuf.c wsetup.c
 
+.if defined(NETBSD_SYSCALLS)
+#  XXX Temporary until FreeBSD's vfprintf is ported
+SRCS+=	netbsd_vfprintf.c
+.else
+SRCS+=	vfprintf.c
+.endif
+
 .if ${LIB} == "c"
 MAN3+=	fclose.3 ferror.3 fflush.3 fgetln.3 fgets.3 fopen.3 fputs.3 \
 	fread.3 fseek.3 funopen.3 getc.3 mktemp.3 printf.3 putc.3 remove.3 \
diff --git a/lib/libc/stdio/_flock_stub.c b/lib/libc/stdio/_flock_stub.c
new file mode 100644
index 00000000000..5915c467600
--- /dev/null
+++ b/lib/libc/stdio/_flock_stub.c
@@ -0,0 +1,78 @@
+/*
+ * Copyright (c) 1998 John Birrell <jb@cimlogic.com.au>.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by John Birrell.
+ * 4. Neither the name of the author nor the names of any co-contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $Id$
+ *
+ */
+
+#include <stdio.h>
+
+/*
+ * Declare weak references in case the application is not linked
+ * with libpthread.
+ */
+#pragma weak _flockfile=_flockfile_stub
+#pragma weak _flockfile_debug=_flockfile_debug_stub
+#pragma weak _ftrylockfile=_ftrylockfile_stub
+#pragma weak _funlockfile=_funlockfile_stub
+
+/*
+ * This function is a stub for the _flockfile function in libpthread.
+ */
+void
+_flockfile_stub(FILE *fp)
+{
+}
+
+/*
+ * This function is a stub for the _flockfile_debug function in libpthread.
+ */
+void
+_flockfile_debug_stub(FILE *fp, char *fname, int lineno)
+{
+}
+
+/*
+ * This function is a stub for the _ftrylockfile function in libpthread.
+ */
+int
+_ftrylockfile_stub(FILE *fp)
+{
+	return(0);
+}
+
+/*
+ * This function is a stub for the _funlockfile function in libpthread.
+ */
+void
+_funlockfile_stub(FILE *fp)
+{
+}
diff --git a/lib/libc/stdio/clrerr.c b/lib/libc/stdio/clrerr.c
index a230119a6e8..7710be80d7d 100644
--- a/lib/libc/stdio/clrerr.c
+++ b/lib/libc/stdio/clrerr.c
@@ -39,25 +39,18 @@
 static char sccsid[] = "@(#)clrerr.c	8.1 (Berkeley) 6/4/93";
 #endif
 static const char rcsid[] =
-		"$Id$";
+		"$Id: clrerr.c,v 1.5 1997/02/22 15:01:46 peter Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <stdio.h>
 #undef	clearerr
-#ifdef _THREAD_SAFE
-#include <pthread.h>
-#include "pthread_private.h"
-#endif
+#include "libc_private.h"
 
 void
 clearerr(fp)
 	FILE *fp;
 {
-#ifdef _THREAD_SAFE
-	_thread_flockfile(fp,__FILE__,__LINE__);
-#endif
+	FLOCKFILE(fp);
 	__sclearerr(fp);
-#ifdef _THREAD_SAFE
-	_thread_funlockfile(fp);
-#endif
+	FUNLOCKFILE(fp);
 }
diff --git a/lib/libc/stdio/fclose.c b/lib/libc/stdio/fclose.c
index 1104bd08a78..5919ce079c6 100644
--- a/lib/libc/stdio/fclose.c
+++ b/lib/libc/stdio/fclose.c
@@ -39,17 +39,14 @@
 static char sccsid[] = "@(#)fclose.c	8.1 (Berkeley) 6/4/93";
 #endif
 static const char rcsid[] =
-		"$Id$";
+		"$Id: fclose.c,v 1.5 1997/02/22 15:01:47 peter Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include "local.h"
-#ifdef _THREAD_SAFE
-#include <pthread.h>
-#include "pthread_private.h"
-#endif
+#include "libc_private.h"
 
 int
 fclose(fp)
@@ -61,9 +58,7 @@ fclose(fp)
 		errno = EBADF;
 		return (EOF);
 	}
-#ifdef _THREAD_SAFE
-	_thread_flockfile(fp,__FILE__,__LINE__);
-#endif
+	FLOCKFILE(fp);
 	r = fp->_flags & __SWR ? __sflush(fp) : 0;
 	if (fp->_close != NULL && (*fp->_close)(fp->_cookie) < 0)
 		r = EOF;
@@ -73,9 +68,7 @@ fclose(fp)
 		FREEUB(fp);
 	if (HASLB(fp))
 		FREELB(fp);
-#ifdef _THREAD_SAFE
-	_thread_funlockfile(fp);
-#endif
+	FUNLOCKFILE(fp);
 	fp->_flags = 0;		/* Release this FILE for reuse. */
 	fp->_file = -1;
 	fp->_r = fp->_w = 0;	/* Mess up if reaccessed. */
diff --git a/lib/libc/stdio/fflush.c b/lib/libc/stdio/fflush.c
index aed57ec852c..f5c89e776de 100644
--- a/lib/libc/stdio/fflush.c
+++ b/lib/libc/stdio/fflush.c
@@ -39,16 +39,13 @@
 static char sccsid[] = "@(#)fflush.c	8.1 (Berkeley) 6/4/93";
 #endif
 static const char rcsid[] =
-		"$Id$";
+		"$Id: fflush.c,v 1.5 1997/02/22 15:01:50 peter Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <errno.h>
 #include <stdio.h>
 #include "local.h"
-#ifdef _THREAD_SAFE
-#include <pthread.h>
-#include "pthread_private.h"
-#endif
+#include "libc_private.h"
 
 /* Flush a single file, or (if fp is NULL) all files.  */
 int
@@ -59,18 +56,14 @@ fflush(fp)
 
 	if (fp == NULL)
 		return (_fwalk(__sflush));
-#ifdef _THREAD_SAFE
-	_thread_flockfile(fp,__FILE__,__LINE__);
-#endif
+	FLOCKFILE(fp);
 	if ((fp->_flags & (__SWR | __SRW)) == 0) {
 		errno = EBADF;
 		retval = EOF;
 	} else {
 		retval = __sflush(fp);
 	}
-#ifdef _THREAD_SAFE
-	_thread_funlockfile(fp);
-#endif
+	FUNLOCKFILE(fp);
 	return (retval);
 }
 
diff --git a/lib/libc/stdio/fgetc.c b/lib/libc/stdio/fgetc.c
index f93a0046209..42ce2bb1daf 100644
--- a/lib/libc/stdio/fgetc.c
+++ b/lib/libc/stdio/fgetc.c
@@ -39,26 +39,19 @@
 static char sccsid[] = "@(#)fgetc.c	8.1 (Berkeley) 6/4/93";
 #endif
 static const char rcsid[] =
-		"$Id$";
+		"$Id: fgetc.c,v 1.5 1997/02/22 15:01:51 peter Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <stdio.h>
-#ifdef _THREAD_SAFE
-#include <pthread.h>
-#include "pthread_private.h"
-#endif
+#include "libc_private.h"
 
 int
 fgetc(fp)
 	FILE *fp;
 {
 	int retval;
-#ifdef _THREAD_SAFE
-	_thread_flockfile(fp,__FILE__,__LINE__);
-#endif
+	FLOCKFILE(fp);
 	retval = __sgetc(fp);
-#ifdef _THREAD_SAFE
-	_thread_funlockfile(fp);
-#endif
+	FUNLOCKFILE(fp);
 	return (retval);
 }
diff --git a/lib/libc/stdio/fgetpos.c b/lib/libc/stdio/fgetpos.c
index ab8a9e50cea..7cac82eeab6 100644
--- a/lib/libc/stdio/fgetpos.c
+++ b/lib/libc/stdio/fgetpos.c
@@ -39,14 +39,11 @@
 static char sccsid[] = "@(#)fgetpos.c	8.1 (Berkeley) 6/4/93";
 #endif
 static const char rcsid[] =
-		"$Id$";
+		"$Id: fgetpos.c,v 1.5 1997/02/22 15:01:53 peter Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <stdio.h>
-#ifdef _THREAD_SAFE
-#include <pthread.h>
-#include "pthread_private.h"
-#endif
+#include "libc_private.h"
 
 int
 fgetpos(fp, pos)
@@ -54,12 +51,8 @@ fgetpos(fp, pos)
 	fpos_t *pos;
 {
 	int retval;
-#ifdef _THREAD_SAFE
-	_thread_flockfile(fp,__FILE__,__LINE__);
-#endif
+	FLOCKFILE(fp);
 	retval = (*pos = ftell(fp)) == (fpos_t)-1;
-#ifdef _THREAD_SAFE
-	_thread_funlockfile(fp);
-#endif
+	FUNLOCKFILE(fp);
 	return(retval);
 }
diff --git a/lib/libc/stdio/fgets.c b/lib/libc/stdio/fgets.c
index 434fc07cdec..a1833d2ccf5 100644
--- a/lib/libc/stdio/fgets.c
+++ b/lib/libc/stdio/fgets.c
@@ -39,16 +39,13 @@
 static char sccsid[] = "@(#)fgets.c	8.2 (Berkeley) 12/22/93";
 #endif
 static const char rcsid[] =
-		"$Id$";
+		"$Id: fgets.c,v 1.7 1997/02/22 15:01:53 peter Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <stdio.h>
 #include <string.h>
 #include "local.h"
-#ifdef _THREAD_SAFE
-#include <pthread.h>
-#include "pthread_private.h"
-#endif
+#include "libc_private.h"
 
 /*
  * Read at most n-1 characters from the given file.
@@ -68,9 +65,7 @@ fgets(buf, n, fp)
 	if (n <= 0)		/* sanity check */
 		return (NULL);
 
-#ifdef _THREAD_SAFE
-	_thread_flockfile(fp,__FILE__,__LINE__);
-#endif
+	FLOCKFILE(fp);
 	s = buf;
 	n--;			/* leave space for NUL */
 	while (n != 0) {
@@ -81,9 +76,7 @@ fgets(buf, n, fp)
 			if (__srefill(fp)) {
 				/* EOF/error: stop with partial or no line */
 				if (s == buf) {
-#ifdef _THREAD_SAFE
-					_thread_funlockfile(fp);
-#endif
+					FUNLOCKFILE(fp);
 					return (NULL);
 				}
 				break;
@@ -107,9 +100,7 @@ fgets(buf, n, fp)
 			fp->_p = t;
 			(void)memcpy((void *)s, (void *)p, len);
 			s[len] = 0;
-#ifdef _THREAD_SAFE
-			_thread_funlockfile(fp);
-#endif
+			FUNLOCKFILE(fp);
 			return (buf);
 		}
 		fp->_r -= len;
@@ -119,8 +110,6 @@ fgets(buf, n, fp)
 		n -= len;
 	}
 	*s = 0;
-#ifdef _THREAD_SAFE
-	_thread_funlockfile(fp);
-#endif
+	FUNLOCKFILE(fp);
 	return (buf);
 }
diff --git a/lib/libc/stdio/fpurge.c b/lib/libc/stdio/fpurge.c
index d1d9e876258..97d0651a01f 100644
--- a/lib/libc/stdio/fpurge.c
+++ b/lib/libc/stdio/fpurge.c
@@ -39,17 +39,14 @@
 static char sccsid[] = "@(#)fpurge.c	8.1 (Berkeley) 6/4/93";
 #endif
 static const char rcsid[] =
-		"$Id$";
+		"$Id: fpurge.c,v 1.5 1997/02/22 15:01:58 peter Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include "local.h"
-#ifdef _THREAD_SAFE
-#include <pthread.h>
-#include "pthread_private.h"
-#endif
+#include "libc_private.h"
 
 /*
  * fpurge: like fflush, but without writing anything: leave the
@@ -60,9 +57,7 @@ fpurge(fp)
 	register FILE *fp;
 {
 	int retval;
-#ifdef _THREAD_SAFE
-	_thread_flockfile(fp,__FILE__,__LINE__);
-#endif
+	FLOCKFILE(fp);
 	if (!fp->_flags) {
 		errno = EBADF;
 		retval = EOF;
@@ -74,8 +69,6 @@ fpurge(fp)
 		fp->_w = fp->_flags & (__SLBF|__SNBF) ? 0 : fp->_bf._size;
 		retval = 0;
 	}
-#ifdef _THREAD_SAFE
-	_thread_funlockfile(fp);
-#endif
+	FUNLOCKFILE(fp);
 	return (retval);
 }
diff --git a/lib/libc/stdio/fputc.c b/lib/libc/stdio/fputc.c
index 89b138d15a0..d1f5e6c079a 100644
--- a/lib/libc/stdio/fputc.c
+++ b/lib/libc/stdio/fputc.c
@@ -39,14 +39,11 @@
 static char sccsid[] = "@(#)fputc.c	8.1 (Berkeley) 6/4/93";
 #endif
 static const char rcsid[] =
-		"$Id$";
+		"$Id: fputc.c,v 1.5 1997/02/22 15:02:00 peter Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <stdio.h>
-#ifdef _THREAD_SAFE
-#include <pthread.h>
-#include "pthread_private.h"
-#endif
+#include "libc_private.h"
 
 int
 fputc(c, fp)
@@ -54,12 +51,8 @@ fputc(c, fp)
 	register FILE *fp;
 {
 	int retval;
-#ifdef _THREAD_SAFE
-	_thread_flockfile(fp,__FILE__,__LINE__);
-#endif
+	FLOCKFILE(fp);
 	retval = putc(c, fp);
-#ifdef _THREAD_SAFE
-	_thread_funlockfile(fp);
-#endif
+	FUNLOCKFILE(fp);
 	return (retval);
 }
diff --git a/lib/libc/stdio/fputs.c b/lib/libc/stdio/fputs.c
index 537c34895de..b2ef3a9164d 100644
--- a/lib/libc/stdio/fputs.c
+++ b/lib/libc/stdio/fputs.c
@@ -39,16 +39,13 @@
 static char sccsid[] = "@(#)fputs.c	8.1 (Berkeley) 6/4/93";
 #endif
 static const char rcsid[] =
-		"$Id$";
+		"$Id: fputs.c,v 1.5 1997/02/22 15:02:02 peter Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <stdio.h>
 #include <string.h>
 #include "fvwrite.h"
-#ifdef _THREAD_SAFE
-#include <pthread.h>
-#include "pthread_private.h"
-#endif
+#include "libc_private.h"
 
 /*
  * Write the given string to the given file.
@@ -66,12 +63,8 @@ fputs(s, fp)
 	iov.iov_len = uio.uio_resid = strlen(s);
 	uio.uio_iov = &iov;
 	uio.uio_iovcnt = 1;
-#ifdef _THREAD_SAFE
-	_thread_flockfile(fp,__FILE__,__LINE__);
-#endif
+	FLOCKFILE(fp);
 	retval = __sfvwrite(fp, &uio);
-#ifdef _THREAD_SAFE
-	_thread_funlockfile(fp);
-#endif
+	FUNLOCKFILE(fp);
 	return (retval);
 }
diff --git a/lib/libc/stdio/fread.c b/lib/libc/stdio/fread.c
index 4f67fbf4134..34db38ff876 100644
--- a/lib/libc/stdio/fread.c
+++ b/lib/libc/stdio/fread.c
@@ -39,16 +39,13 @@
 static char sccsid[] = "@(#)fread.c	8.2 (Berkeley) 12/11/93";
 #endif
 static const char rcsid[] =
-		"$Id$";
+		"$Id: fread.c,v 1.5 1997/02/22 15:02:03 peter Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <stdio.h>
 #include <string.h>
 #include "local.h"
-#ifdef _THREAD_SAFE
-#include <pthread.h>
-#include "pthread_private.h"
-#endif
+#include "libc_private.h"
 
 size_t
 fread(buf, size, count, fp)
@@ -68,9 +65,7 @@ fread(buf, size, count, fp)
 	 */
 	if ((resid = count * size) == 0)
 		return (0);
-#ifdef _THREAD_SAFE
-	_thread_flockfile(fp,__FILE__,__LINE__);
-#endif
+	FLOCKFILE(fp);
 	if (fp->_r < 0)
 		fp->_r = 0;
 	total = resid;
@@ -83,14 +78,13 @@ fread(buf, size, count, fp)
 		resid -= r;
 		if (__srefill(fp)) {
 			/* no more input: return partial result */
+			FUNLOCKFILE(fp);
 			return ((total - resid) / size);
 		}
 	}
 	(void)memcpy((void *)p, (void *)fp->_p, resid);
 	fp->_r -= resid;
 	fp->_p += resid;
-#ifdef _THREAD_SAFE
-	_thread_funlockfile(fp);
-#endif
+	FUNLOCKFILE(fp);
 	return (count);
 }
diff --git a/lib/libc/stdio/fscanf.c b/lib/libc/stdio/fscanf.c
index 8513f801cea..a8b10a48c70 100644
--- a/lib/libc/stdio/fscanf.c
+++ b/lib/libc/stdio/fscanf.c
@@ -39,7 +39,7 @@
 static char sccsid[] = "@(#)fscanf.c	8.1 (Berkeley) 6/4/93";
 #endif
 static const char rcsid[] =
-		"$Id$";
+		"$Id: fscanf.c,v 1.5 1997/02/22 15:02:04 peter Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <stdio.h>
@@ -48,10 +48,7 @@ static const char rcsid[] =
 #else
 #include <varargs.h>
 #endif
-#ifdef _THREAD_SAFE
-#include <pthread.h>
-#include "pthread_private.h"
-#endif
+#include "libc_private.h"
 
 #if __STDC__
 int
@@ -72,13 +69,9 @@ fscanf(fp, fmt, va_alist)
 
 	va_start(ap);
 #endif
-#ifdef _THREAD_SAFE
-	_thread_flockfile(fp,__FILE__,__LINE__);
-#endif
+	FLOCKFILE(fp);
 	ret = __svfscanf(fp, fmt, ap);
 	va_end(ap);
-#ifdef _THREAD_SAFE
-	_thread_funlockfile(fp);
-#endif
+	FUNLOCKFILE(fp);
 	return (ret);
 }
diff --git a/lib/libc/stdio/fseek.c b/lib/libc/stdio/fseek.c
index c6707dfb34f..808d3ae3a15 100644
--- a/lib/libc/stdio/fseek.c
+++ b/lib/libc/stdio/fseek.c
@@ -39,7 +39,7 @@
 static char sccsid[] = "@(#)fseek.c	8.3 (Berkeley) 1/2/94";
 #endif
 static const char rcsid[] =
-		"$Id$";
+		"$Id: fseek.c,v 1.6 1997/02/22 15:02:05 peter Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <sys/types.h>
@@ -49,10 +49,7 @@ static const char rcsid[] =
 #include <stdlib.h>
 #include <errno.h>
 #include "local.h"
-#ifdef _THREAD_SAFE
-#include <pthread.h>
-#include "pthread_private.h"
-#endif
+#include "libc_private.h"
 
 #define	POS_ERR	(-(fpos_t)1)
 
@@ -76,14 +73,13 @@ fseek(fp, offset, whence)
 	if (!__sdidinit)
 		__sinit();
 
-#ifdef _THREAD_SAFE
-	_thread_flockfile(fp,__FILE__,__LINE__);
-#endif
+	FLOCKFILE(fp);
 	/*
 	 * Have to be able to seek.
 	 */
 	if ((seekfn = fp->_seek) == NULL) {
 		errno = ESPIPE;			/* historic practice */
+		FUNLOCKFILE(fp);
 		return (EOF);
 	}
 
@@ -104,9 +100,7 @@ fseek(fp, offset, whence)
 		else {
 			curoff = (*seekfn)(fp->_cookie, (fpos_t)0, SEEK_CUR);
 			if (curoff == -1) {
-#ifdef _THREAD_SAFE
-				_thread_funlockfile(fp);
-#endif
+				FUNLOCKFILE(fp);
 				return (EOF);
 			}
 		}
@@ -130,9 +124,7 @@ fseek(fp, offset, whence)
 
 	default:
 		errno = EINVAL;
-#ifdef _THREAD_SAFE
-		_thread_funlockfile(fp);
-#endif
+		FUNLOCKFILE(fp);
 		return (EOF);
 	}
 
@@ -216,9 +208,7 @@ fseek(fp, offset, whence)
 		if (HASUB(fp))
 			FREEUB(fp);
 		fp->_flags &= ~__SEOF;
-#ifdef _THREAD_SAFE
-		_thread_funlockfile(fp);
-#endif
+		FUNLOCKFILE(fp);
 		return (0);
 	}
 
@@ -245,9 +235,7 @@ fseek(fp, offset, whence)
 		fp->_p += n;
 		fp->_r -= n;
 	}
-#ifdef _THREAD_SAFE
-	_thread_funlockfile(fp);
-#endif
+	FUNLOCKFILE(fp);
 	return (0);
 
 	/*
@@ -257,9 +245,7 @@ fseek(fp, offset, whence)
 dumb:
 	if (__sflush(fp) ||
 	    (*seekfn)(fp->_cookie, (fpos_t)offset, whence) == POS_ERR) {
-#ifdef _THREAD_SAFE
-		_thread_funlockfile(fp);
-#endif
+		FUNLOCKFILE(fp);
 		return (EOF);
 	}
 	/* success: clear EOF indicator and discard ungetc() data */
@@ -269,8 +255,6 @@ dumb:
 	fp->_r = 0;
 	/* fp->_w = 0; */	/* unnecessary (I think...) */
 	fp->_flags &= ~__SEOF;
-#ifdef _THREAD_SAFE
-	_thread_funlockfile(fp);
-#endif
+	FUNLOCKFILE(fp);
 	return (0);
 }
diff --git a/lib/libc/stdio/ftell.c b/lib/libc/stdio/ftell.c
index 9b85ee0ceb0..34da2713321 100644
--- a/lib/libc/stdio/ftell.c
+++ b/lib/libc/stdio/ftell.c
@@ -39,16 +39,13 @@
 static char sccsid[] = "@(#)ftell.c	8.2 (Berkeley) 5/4/95";
 #endif
 static const char rcsid[] =
-		"$Id: ftell.c,v 1.7 1997/02/22 15:02:07 peter Exp $";
+		"$Id: ftell.c,v 1.8 1997/03/11 11:40:40 peter Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <stdio.h>
 #include <errno.h>
 #include "local.h"
-#ifdef _THREAD_SAFE
-#include <pthread.h>
-#include "pthread_private.h"
-#endif
+#include "libc_private.h"
 
 /*
  * ftell: return current offset.
@@ -64,9 +61,7 @@ ftell(fp)
 		return (-1L);
 	}
 
-#ifdef _THREAD_SAFE
-	_thread_flockfile(fp, __FILE__, __LINE__);
-#endif
+	FLOCKFILE(fp);
 	/*
 	 * Find offset of underlying I/O object, then
 	 * adjust for buffered bytes.
@@ -76,9 +71,7 @@ ftell(fp)
 	else {
 		pos = (*fp->_seek)(fp->_cookie, (fpos_t)0, SEEK_CUR);
 		if (pos == -1) {
-#ifdef _THREAD_SAFE
-			_thread_funlockfile(fp);
-#endif
+			FUNLOCKFILE(fp);
 			return (pos);
 		}
 	}
@@ -99,8 +92,6 @@ ftell(fp)
 		 */
 		pos += fp->_p - fp->_bf._base;
 	}
-#ifdef _THREAD_SAFE
-	_thread_funlockfile(fp);
-#endif
+	FUNLOCKFILE(fp);
 	return (pos);
 }
diff --git a/lib/libc/stdio/fwrite.c b/lib/libc/stdio/fwrite.c
index ba8540d4af9..d2dadd83807 100644
--- a/lib/libc/stdio/fwrite.c
+++ b/lib/libc/stdio/fwrite.c
@@ -39,16 +39,13 @@
 static char sccsid[] = "@(#)fwrite.c	8.1 (Berkeley) 6/4/93";
 #endif
 static const char rcsid[] =
-		"$Id$";
+		"$Id: fwrite.c,v 1.5 1997/02/22 15:02:10 peter Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <stdio.h>
 #include "local.h"
 #include "fvwrite.h"
-#ifdef _THREAD_SAFE
-#include <pthread.h>
-#include "pthread_private.h"
-#endif
+#include "libc_private.h"
 
 /*
  * Write `count' objects (each size `size') from memory to the given file.
@@ -69,9 +66,7 @@ fwrite(buf, size, count, fp)
 	uio.uio_iov = &iov;
 	uio.uio_iovcnt = 1;
 
-#ifdef _THREAD_SAFE
-	_thread_flockfile(fp,__FILE__,__LINE__);
-#endif
+	FLOCKFILE(fp);
 	/*
 	 * The usual case is success (__sfvwrite returns 0);
 	 * skip the divide if this happens, since divides are
@@ -79,8 +74,6 @@ fwrite(buf, size, count, fp)
 	 */
 	if (__sfvwrite(fp, &uio) != 0)
 	    count = (n - uio.uio_resid) / size;
-#ifdef _THREAD_SAFE
-	_thread_funlockfile(fp);
-#endif
+	FUNLOCKFILE(fp);
 	return (count);
 }
diff --git a/lib/libc/stdio/getc.c b/lib/libc/stdio/getc.c
index ced796b8919..436a93f097f 100644
--- a/lib/libc/stdio/getc.c
+++ b/lib/libc/stdio/getc.c
@@ -39,14 +39,11 @@
 static char sccsid[] = "@(#)getc.c	8.1 (Berkeley) 6/4/93";
 #endif
 static const char rcsid[] =
-		"$Id$";
+		"$Id: getc.c,v 1.5 1997/02/22 15:02:11 peter Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <stdio.h>
-#ifdef _THREAD_SAFE
-#include <pthread.h>
-#include "pthread_private.h"
-#endif
+#include "libc_private.h"
 
 /*
  * A subroutine version of the macro getc.
@@ -58,12 +55,8 @@ getc(fp)
 	register FILE *fp;
 {
 	int retval;
-#ifdef _THREAD_SAFE
-	_thread_flockfile(fp,__FILE__,__LINE__);
-#endif
+	FLOCKFILE(fp);
 	retval = __sgetc(fp);
-#ifdef _THREAD_SAFE
-	_thread_funlockfile(fp);
-#endif
+	FUNLOCKFILE(fp);
 	return (retval);
 }
diff --git a/lib/libc/stdio/getchar.c b/lib/libc/stdio/getchar.c
index 0bcbd3a6949..ee3f809620c 100644
--- a/lib/libc/stdio/getchar.c
+++ b/lib/libc/stdio/getchar.c
@@ -39,17 +39,14 @@
 static char sccsid[] = "@(#)getchar.c	8.1 (Berkeley) 6/4/93";
 #endif
 static const char rcsid[] =
-		"$Id$";
+		"$Id: getchar.c,v 1.5 1997/02/22 15:02:12 peter Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 /*
  * A subroutine version of the macro getchar.
  */
 #include <stdio.h>
-#ifdef _THREAD_SAFE
-#include <pthread.h>
-#include "pthread_private.h"
-#endif
+#include "libc_private.h"
 
 #undef getchar
 
@@ -57,12 +54,8 @@ int
 getchar()
 {
 	int retval;
-#ifdef _THREAD_SAFE
-	_thread_flockfile(stdin,__FILE__,__LINE__);
-#endif
+	FLOCKFILE(stdin);
 	retval = getc(stdin);
-#ifdef _THREAD_SAFE
-	_thread_funlockfile(stdin);
-#endif
+	FUNLOCKFILE(stdin);
 	return (retval);
 }
diff --git a/lib/libc/stdio/putc.c b/lib/libc/stdio/putc.c
index a1b08146424..e231d0e3b7d 100644
--- a/lib/libc/stdio/putc.c
+++ b/lib/libc/stdio/putc.c
@@ -39,14 +39,11 @@
 static char sccsid[] = "@(#)putc.c	8.1 (Berkeley) 6/4/93";
 #endif
 static const char rcsid[] =
-		"$Id$";
+		"$Id: putc.c,v 1.5 1997/02/22 15:02:17 peter Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <stdio.h>
-#ifdef _THREAD_SAFE
-#include <pthread.h>
-#include "pthread_private.h"
-#endif
+#include "libc_private.h"
 
 /*
  * A subroutine version of the macro putc.
@@ -59,12 +56,8 @@ putc(c, fp)
 	register FILE *fp;
 {
 	int retval;
-#ifdef _THREAD_SAFE
-	_thread_flockfile(fp,__FILE__,__LINE__);
-#endif
+	FLOCKFILE(fp);
 	retval = __sputc(c, fp);
-#ifdef _THREAD_SAFE
-	_thread_funlockfile(fp);
-#endif
+	FUNLOCKFILE(fp);
 	return (retval);
 }
diff --git a/lib/libc/stdio/putchar.c b/lib/libc/stdio/putchar.c
index 99439aca10e..57400d300c7 100644
--- a/lib/libc/stdio/putchar.c
+++ b/lib/libc/stdio/putchar.c
@@ -39,14 +39,11 @@
 static char sccsid[] = "@(#)putchar.c	8.1 (Berkeley) 6/4/93";
 #endif
 static const char rcsid[] =
-		"$Id$";
+		"$Id: putchar.c,v 1.5 1997/02/22 15:02:19 peter Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <stdio.h>
-#ifdef _THREAD_SAFE
-#include <pthread.h>
-#include "pthread_private.h"
-#endif
+#include "libc_private.h"
 
 #undef putchar
 
@@ -60,12 +57,8 @@ putchar(c)
 	int retval;
 	register FILE *so = stdout;
 
-#ifdef _THREAD_SAFE
-	_thread_flockfile(so,__FILE__,__LINE__);
-#endif
+	FLOCKFILE(so);
 	retval = __sputc(c, so);
-#ifdef _THREAD_SAFE
-	_thread_funlockfile(so);
-#endif
+	FUNLOCKFILE(so);
 	return (retval);
 }
diff --git a/lib/libc/stdio/puts.c b/lib/libc/stdio/puts.c
index 91a20de975a..13a0fdf01a0 100644
--- a/lib/libc/stdio/puts.c
+++ b/lib/libc/stdio/puts.c
@@ -39,16 +39,13 @@
 static char sccsid[] = "@(#)puts.c	8.1 (Berkeley) 6/4/93";
 #endif
 static const char rcsid[] =
-		"$Id$";
+		"$Id: puts.c,v 1.5 1997/02/22 15:02:20 peter Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <stdio.h>
 #include <string.h>
 #include "fvwrite.h"
-#ifdef _THREAD_SAFE
-#include <pthread.h>
-#include "pthread_private.h"
-#endif
+#include "libc_private.h"
 
 /*
  * Write the given string to stdout, appending a newline.
@@ -69,12 +66,8 @@ puts(s)
 	uio.uio_resid = c + 1;
 	uio.uio_iov = &iov[0];
 	uio.uio_iovcnt = 2;
-#ifdef _THREAD_SAFE
-	_thread_flockfile(stdout,__FILE__,__LINE__);
-#endif
+	FLOCKFILE(stdout);
 	retval = __sfvwrite(stdout, &uio) ? EOF : '\n';
-#ifdef _THREAD_SAFE
-	_thread_funlockfile(stdout);
-#endif
+	FUNLOCKFILE(stdout);
 	return (retval);
 }
diff --git a/lib/libc/stdio/putw.c b/lib/libc/stdio/putw.c
index 946a311ac33..140b8d41bd5 100644
--- a/lib/libc/stdio/putw.c
+++ b/lib/libc/stdio/putw.c
@@ -39,15 +39,12 @@
 static char sccsid[] = "@(#)putw.c	8.1 (Berkeley) 6/4/93";
 #endif
 static const char rcsid[] =
-		"$Id$";
+		"$Id: putw.c,v 1.5 1997/02/22 15:02:21 peter Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <stdio.h>
 #include "fvwrite.h"
-#ifdef _THREAD_SAFE
-#include <pthread.h>
-#include "pthread_private.h"
-#endif
+#include "libc_private.h"
 
 int
 putw(w, fp)
@@ -62,12 +59,8 @@ putw(w, fp)
 	iov.iov_len = uio.uio_resid = sizeof(w);
 	uio.uio_iov = &iov;
 	uio.uio_iovcnt = 1;
-#ifdef _THREAD_SAFE
-	_thread_flockfile(fp,__FILE__,__LINE__);
-#endif
+	FLOCKFILE(fp);
 	retval = __sfvwrite(fp, &uio);
-#ifdef _THREAD_SAFE
-	_thread_funlockfile(fp);
-#endif
+	FUNLOCKFILE(fp);
 	return (retval);
 }
diff --git a/lib/libc/stdio/rewind.c b/lib/libc/stdio/rewind.c
index f6609d69f57..c95adc7a1e2 100644
--- a/lib/libc/stdio/rewind.c
+++ b/lib/libc/stdio/rewind.c
@@ -39,27 +39,20 @@
 static char sccsid[] = "@(#)rewind.c	8.1 (Berkeley) 6/4/93";
 #endif
 static const char rcsid[] =
-		"$Id$";
+		"$Id: rewind.c,v 1.5 1997/02/22 15:02:24 peter Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <errno.h>
 #include <stdio.h>
-#ifdef _THREAD_SAFE
-#include <pthread.h>
-#include "pthread_private.h"
-#endif
+#include "libc_private.h"
 
 void
 rewind(fp)
 	register FILE *fp;
 {
-#ifdef _THREAD_SAFE
-	_thread_flockfile(fp,__FILE__,__LINE__);
-#endif
+	FLOCKFILE(fp);
 	(void) fseek(fp, 0L, SEEK_SET);
 	clearerr(fp);
-#ifdef _THREAD_SAFE
-	_thread_funlockfile(fp);
-#endif
+	FUNLOCKFILE(fp);
 	errno = 0;      /* not required, but seems reasonable */
 }
diff --git a/lib/libc/stdio/scanf.c b/lib/libc/stdio/scanf.c
index 7a8bd65990f..94f77beb424 100644
--- a/lib/libc/stdio/scanf.c
+++ b/lib/libc/stdio/scanf.c
@@ -39,7 +39,7 @@
 static char sccsid[] = "@(#)scanf.c	8.1 (Berkeley) 6/4/93";
 #endif
 static const char rcsid[] =
-		"$Id$";
+		"$Id: scanf.c,v 1.5 1997/02/22 15:02:25 peter Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <stdio.h>
@@ -48,10 +48,7 @@ static const char rcsid[] =
 #else
 #include <varargs.h>
 #endif
-#ifdef _THREAD_SAFE
-#include <pthread.h>
-#include "pthread_private.h"
-#endif
+#include "libc_private.h"
 
 #if __STDC__
 int
@@ -71,13 +68,9 @@ scanf(fmt, va_alist)
 #else
 	va_start(ap);
 #endif
-#ifdef _THREAD_SAFE
-	_thread_flockfile(stdin,__FILE__,__LINE__);
-#endif
+	FLOCKFILE(stdin);
 	ret = __svfscanf(stdin, fmt, ap);
+	FUNLOCKFILE(stdin);
 	va_end(ap);
-#ifdef _THREAD_SAFE
-	_thread_funlockfile(stdin);
-#endif
 	return (ret);
 }
diff --git a/lib/libc/stdio/setvbuf.c b/lib/libc/stdio/setvbuf.c
index 9cc6bb6ee65..a0c6512dbb1 100644
--- a/lib/libc/stdio/setvbuf.c
+++ b/lib/libc/stdio/setvbuf.c
@@ -39,16 +39,13 @@
 static char sccsid[] = "@(#)setvbuf.c	8.2 (Berkeley) 11/16/93";
 #endif
 static const char rcsid[] =
-		"$Id$";
+		"$Id: setvbuf.c,v 1.5 1997/02/22 15:02:27 peter Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <stdio.h>
 #include <stdlib.h>
 #include "local.h"
-#ifdef _THREAD_SAFE
-#include <pthread.h>
-#include "pthread_private.h"
-#endif
+#include "libc_private.h"
 
 /*
  * Set one of the three kinds of buffering, optionally including
@@ -74,9 +71,7 @@ setvbuf(fp, buf, mode, size)
 		if ((mode != _IOFBF && mode != _IOLBF) || (int)size < 0)
 			return (EOF);
 
-#ifdef _THREAD_SAFE
-	_thread_flockfile(fp,__FILE__,__LINE__);
-#endif
+	FLOCKFILE(fp);
 	/*
 	 * Write current buffer, if any.  Discard unread input (including
 	 * ungetc data), cancel line buffering, and free old buffer if
@@ -128,9 +123,7 @@ nbf:
 			fp->_w = 0;
 			fp->_bf._base = fp->_p = fp->_nbuf;
 			fp->_bf._size = 1;
-#ifdef _THREAD_SAFE
-			_thread_funlockfile(fp);
-#endif
+			FUNLOCKFILE(fp);
 			return (ret);
 		}
 		flags |= __SMBF;
@@ -171,8 +164,6 @@ nbf:
 	}
 	__cleanup = _cleanup;
 
-#ifdef _THREAD_SAFE
-	_thread_funlockfile(fp);
-#endif
+	FUNLOCKFILE(fp);
 	return (ret);
 }
diff --git a/lib/libc/stdio/ungetc.c b/lib/libc/stdio/ungetc.c
index c0355b7f641..db3ff83d024 100644
--- a/lib/libc/stdio/ungetc.c
+++ b/lib/libc/stdio/ungetc.c
@@ -39,17 +39,14 @@
 static char sccsid[] = "@(#)ungetc.c	8.2 (Berkeley) 11/3/93";
 #endif
 static const char rcsid[] =
-		"$Id$";
+		"$Id: ungetc.c,v 1.5 1997/02/22 15:02:38 peter Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include "local.h"
-#ifdef _THREAD_SAFE
-#include <pthread.h>
-#include "pthread_private.h"
-#endif
+#include "libc_private.h"
 
 static int __submore __P((FILE *));
 
@@ -101,25 +98,19 @@ ungetc(c, fp)
 		return (EOF);
 	if (!__sdidinit)
 		__sinit();
-#ifdef _THREAD_SAFE
-	_thread_flockfile(fp,__FILE__,__LINE__);
-#endif
+	FLOCKFILE(fp);
 	if ((fp->_flags & __SRD) == 0) {
 		/*
 		 * Not already reading: no good unless reading-and-writing.
 		 * Otherwise, flush any current write stuff.
 		 */
 		if ((fp->_flags & __SRW) == 0) {
-#ifdef _THREAD_SAFE
-			_thread_funlockfile(fp);
-#endif
+			FUNLOCKFILE(fp);
 			return (EOF);
 		}
 		if (fp->_flags & __SWR) {
 			if (__sflush(fp)) {
-#ifdef _THREAD_SAFE
-				_thread_funlockfile(fp);
-#endif
+				FUNLOCKFILE(fp);
 				return (EOF);
 			}
 			fp->_flags &= ~__SWR;
@@ -136,16 +127,12 @@ ungetc(c, fp)
 	 */
 	if (HASUB(fp)) {
 		if (fp->_r >= fp->_ub._size && __submore(fp)) {
-#ifdef _THREAD_SAFE
-			_thread_funlockfile(fp);
-#endif
+			FUNLOCKFILE(fp);
 			return (EOF);
 		}
 		*--fp->_p = c;
 		fp->_r++;
-#ifdef _THREAD_SAFE
-		_thread_funlockfile(fp);
-#endif
+		FUNLOCKFILE(fp);
 		return (c);
 	}
 	fp->_flags &= ~__SEOF;
@@ -159,9 +146,7 @@ ungetc(c, fp)
 	    fp->_p[-1] == c) {
 		fp->_p--;
 		fp->_r++;
-#ifdef _THREAD_SAFE
-		_thread_funlockfile(fp);
-#endif
+		FUNLOCKFILE(fp);
 		return (c);
 	}
 
@@ -176,8 +161,6 @@ ungetc(c, fp)
 	fp->_ubuf[sizeof(fp->_ubuf) - 1] = c;
 	fp->_p = &fp->_ubuf[sizeof(fp->_ubuf) - 1];
 	fp->_r = 1;
-#ifdef _THREAD_SAFE
-	_thread_funlockfile(fp);
-#endif
+	FUNLOCKFILE(fp);
 	return (c);
 }
diff --git a/lib/libc/stdio/vfprintf.c b/lib/libc/stdio/vfprintf.c
index dd3f743d5ff..5a3a25be951 100644
--- a/lib/libc/stdio/vfprintf.c
+++ b/lib/libc/stdio/vfprintf.c
@@ -39,7 +39,7 @@
 static char sccsid[] = "@(#)vfprintf.c	8.1 (Berkeley) 6/4/93";
 #endif
 static const char rcsid[] =
-		"$Id: vfprintf.c,v 1.16 1997/12/25 00:32:17 ache Exp $";
+		"$Id: vfprintf.c,v 1.17 1998/01/04 22:28:47 ache Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 /*
@@ -63,10 +63,7 @@ static const char rcsid[] =
 
 #include "local.h"
 #include "fvwrite.h"
-#ifdef _THREAD_SAFE
-#include <pthread.h>
-#include "pthread_private.h"
-#endif
+#include "libc_private.h"
 
 /* Define FLOATING_POINT to get floating point. */
 #define	FLOATING_POINT
@@ -421,23 +418,17 @@ vfprintf(fp, fmt0, ap)
         }
         
 
-#ifdef _THREAD_SAFE
-	_thread_flockfile(fp,__FILE__,__LINE__);
-#endif
+	FLOCKFILE(fp);
 	/* sorry, fprintf(read_only_file, "") returns EOF, not 0 */
 	if (cantwrite(fp)) {
-#ifdef _THREAD_SAFE
-		_thread_funlockfile(fp);
-#endif
+		FUNLOCKFILE(fp);
 		return (EOF);
 	}
 
 	/* optimise fprintf(stderr) (and other unbuffered Unix files) */
 	if ((fp->_flags & (__SNBF|__SWR|__SRW)) == (__SNBF|__SWR) &&
 	    fp->_file >= 0) {
-#ifdef _THREAD_SAFE
-		_thread_funlockfile(fp);
-#endif
+		FUNLOCKFILE(fp);
 		return (__sbprintf(fp, fmt0, ap));
 	}
 
@@ -873,9 +864,7 @@ done:
 error:
 	if (__sferror(fp))
 		ret = EOF;
-#ifdef _THREAD_SAFE
-	_thread_funlockfile(fp);
-#endif
+	FUNLOCKFILE(fp);
         if ((argtable != NULL) && (argtable != statargtable))
                 free (argtable);
 	return (ret);
diff --git a/lib/libc/stdio/vscanf.c b/lib/libc/stdio/vscanf.c
index 9381710f301..729098b6c88 100644
--- a/lib/libc/stdio/vscanf.c
+++ b/lib/libc/stdio/vscanf.c
@@ -39,14 +39,11 @@
 static char sccsid[] = "@(#)vscanf.c	8.1 (Berkeley) 6/4/93";
 #endif
 static const char rcsid[] =
-		"$Id$";
+		"$Id: vscanf.c,v 1.5 1997/02/22 15:02:43 peter Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <stdio.h>
-#ifdef _THREAD_SAFE
-#include <pthread.h>
-#include "pthread_private.h"
-#endif
+#include "libc_private.h"
 
 int
 vscanf(fmt, ap)
@@ -55,12 +52,8 @@ vscanf(fmt, ap)
 {
 	int retval;
 
-#ifdef _THREAD_SAFE
-	_thread_flockfile(stdin,__FILE__,__LINE__);
-#endif
+	FLOCKFILE(stdin);
 	retval = __svfscanf(stdin, fmt, ap);
-#ifdef _THREAD_SAFE
-	_thread_funlockfile(stdin);
-#endif
+	FUNLOCKFILE(stdin);
 	return (retval);
 }