--- Libc/Libc-1725.40.4/stdio/FreeBSD/wbuf.c
+++ Libc/Libc-583/stdio/FreeBSD/wbuf.c
@@ -13,6 +13,10 @@
  * 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 the University of
+ *	California, Berkeley and its contributors.
  * 4. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
@@ -34,10 +38,9 @@
 static char sccsid[] = "@(#)wbuf.c	8.1 (Berkeley) 6/4/93";
 #endif /* LIBC_SCCS and not lint */
 #include <sys/cdefs.h>
-__FBSDID("$FreeBSD: src/lib/libc/stdio/wbuf.c,v 1.12 2007/01/09 00:28:08 imp Exp $");
+__FBSDID("$FreeBSD: src/lib/libc/stdio/wbuf.c,v 1.11 2004/06/08 05:45:32 das Exp $");
 
 #include <stdio.h>
-#include <errno.h>
 #include "local.h"
 
 /*
@@ -48,7 +51,9 @@
  * Non-MT-safe
  */
 int
-__swbuf(int c, FILE *fp)
+__swbuf(c, fp)
+	int c;
+	FILE *fp;
 {
 	int n;
 
@@ -60,10 +65,8 @@
 	 * calls might wrap _w from negative to positive.
 	 */
 	fp->_w = fp->_lbfsize;
-	if (prepwrite(fp) != 0) {
-		errno = EBADF;
+	if (prepwrite(fp) != 0)
 		return (EOF);
-	}
 	c = (unsigned char)c;
 
 	ORIENT(fp, -1);