usr/src/include/stdarg.h

/*-
 * Copyright (c) 1990 The Regents of the University of California.
 * All rights reserved.
 *
 * %sccs.include.redist.c%
 *
 *	@(#)stdarg.h	5.5 (Berkeley) %G%
 */

#ifndef _STDARG_H
#define	_STDARG_H

typedef char *va_list;

#define	va_arg(ap, type) \
	((type *)(ap += sizeof(type) < sizeof(int) ? \
		(abort(), 0) : sizeof(type)))[-1]

#define	va_end(ap)

#define	__va_promote(type) \
	(((sizeof(type) + sizeof(int) - 1) / sizeof(int)) * sizeof(int))

#define	va_start(ap, last) \
	(ap = ((char *)&(last) + __va_promote(last)))

#endif /* !_STDARG_H */
Commit	Line	Data
	1	/*-
	2	* Copyright (c) 1990 The Regents of the University of California.
	3	* All rights reserved.
	4	*
	5	* %sccs.include.redist.c%
	6	*
	7	* @(#)stdarg.h 5.5 (Berkeley) %G%
	8	*/
	9
	10	#ifndef _STDARG_H
	11	#define _STDARG_H
	12
	13	typedef char *va_list;
	14
	15	#define va_arg(ap, type) \
	16	((type *)(ap += sizeof(type) < sizeof(int) ? \
	17	(abort(), 0) : sizeof(type)))[-1]
	18
	19	#define va_end(ap)
	20
	21	#define __va_promote(type) \
	22	(((sizeof(type) + sizeof(int) - 1) / sizeof(int)) * sizeof(int))
	23
	24	#define va_start(ap, last) \
	25	(ap = ((char *)&(last) + __va_promote(last)))
	26
	27	#endif /* !_STDARG_H */