147791Sbostic /*- 247791Sbostic * Copyright (c) 1991 The Regents of the University of California. 347791Sbostic * All rights reserved. 447791Sbostic * 547791Sbostic * %sccs.include.redist.c% 647791Sbostic * 7*49061Sbostic * @(#)stdarg.h 7.2 (Berkeley) 05/04/91 847791Sbostic */ 947791Sbostic 1047791Sbostic typedef char *va_list; 1147791Sbostic 12*49061Sbostic #ifdef KERNEL 1347791Sbostic #define va_arg(ap, type) \ 14*49061Sbostic ((type *)(ap += sizeof(type)))[-1] 15*49061Sbostic #else 16*49061Sbostic #define va_arg(ap, type) \ 1747791Sbostic ((type *)(ap += sizeof(type) < sizeof(int) ? \ 1847791Sbostic (abort(), 0) : sizeof(type)))[-1] 19*49061Sbostic #endif 2047791Sbostic 2147791Sbostic #define va_end(ap) 2247791Sbostic 2347791Sbostic #define __va_promote(type) \ 2447791Sbostic (((sizeof(type) + sizeof(int) - 1) / sizeof(int)) * sizeof(int)) 2547791Sbostic 2647791Sbostic #define va_start(ap, last) \ 2747791Sbostic (ap = ((char *)&(last) + __va_promote(last))) 28