2.11BSD/src/lib/libc/stdio/vprintf.c

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/*
 * Copyright (c) 1988 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that the above copyright notice and this paragraph are
 * duplicated in all such forms and that any documentation,
 * advertising materials, and other materials related to such
 * distribution and use acknowledge that the software was developed
 * by the University of California, Berkeley.  The name of the
 * University may not 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 MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)vprintf.c	5.2 (Berkeley) 6/27/88";
#endif /* LIBC_SCCS and not lint */

#include <stdio.h>
#include <varargs.h>

int
vprintf(fmt, ap)
	char *fmt;
	va_list ap;
{
	int len;

	len = _doprnt(fmt, ap, stdout);
	return (ferror(stdout) ? EOF : len);
}