--- /dev/null
+/* 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
+
+/* In GCC version 2, we want an ellipsis at the end of the declaration
+ of the argument list. GCC version 1 can't parse it. */
+
+#if __GNUC__ > 1
+#define __va_ellipsis ...
+#else
+#define __va_ellipsis
+#endif
+
+/* The ... causes current_function_varargs to be set in cc1. */
+#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; })