/*  varargs.h for SPUR *//* NB.  This is NOT the definition needed for the new ANSI proposed   standard */ struct __va_struct { char __regs[20]; };#define va_alist __va_regs, __va_stack#define va_dcl struct __va_struct __va_regs; int __va_stack;typedef struct {    int __pnt;    char *__regs;    char *__stack;} va_list;#define va_start(pvar) \     ((pvar).__pnt = 0, (pvar).__regs = __va_regs.__regs, \      (pvar).__stack = (char *) &__va_stack)#define va_end(pvar)#define va_arg(pvar,type)  \    ({  type __va_result; \        if ((pvar).__pnt >= 20) { \           __va_result = *( (type *) ((pvar).__stack + (pvar).__pnt - 20)); \	   (pvar).__pnt += (sizeof(type) + 7) & ~7; \	} \	else if ((pvar).__pnt + sizeof(type) > 20) { \	   __va_result = * (type *) (pvar).__stack; \	   (pvar).__pnt = 20 + ( (sizeof(type) + 7) & ~7); \	} \	else if (sizeof(type) == 8) { \	   union {double d; int i[2];} __u; \	   __u.i[0] = *(int *) ((pvar).__regs + (pvar).__pnt); \	   __u.i[1] = *(int *) ((pvar).__regs + (pvar).__pnt + 4); \	   __va_result = * (type *) &__u; \	   (pvar).__pnt += 8; \	} \	else { \	   __va_result = * (type *) ((pvar).__regs + (pvar).__pnt); \	   (pvar).__pnt += (sizeof(type) + 3) & ~3; \	} \	__va_result; })