/* * Copyright (c) 1995 *	The Regents of the University of California.  All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that: (1) source code distributions * retain the above copyright notice and this paragraph in its entirety, (2) * distributions including binary code include the above copyright notice and * this paragraph in its entirety in the documentation or other materials * provided with the distribution, and (3) all advertising materials mentioning * features or use of this software display the following acknowledgement: * ``This product includes software developed by the University of California, * Lawrence Berkeley Laboratory and its contributors.'' 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. * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. */#ifndef lintstatic const char rcsid[] _U_ =    "@(#) $Header: /tcpdump/master/tcpdump/vfprintf.c,v 1.6 2003-11-16 09:36:45 guy Exp $ (LBL)";#endif#ifdef HAVE_CONFIG_H#include "config.h"#endif#include <sys/types.h>#include <stdio.h>#include <stdarg.h>#include <stdlib.h>#include <unistd.h>#include "interface.h"/* * Stock 4.3 doesn't have vfprintf. * This routine is due to Chris Torek. */vfprintf(f, fmt, args)	FILE *f;	char *fmt;	va_list args;{	int ret;	if ((f->_flag & _IOWRT) == 0) {		if (f->_flag & _IORW)			f->_flag |= _IOWRT;		else			return EOF;	}	ret = _doprnt(fmt, args, f);	return ferror(f) ? EOF : ret;}