2 Note that the type used in va_arg is supposed to match the
3 actual type **after default promotions**.
4 Thus, va_arg (..., short) is not valid. */
16 /* The macro _VA_LIST_ is the same thing used by this file in Ultrix. */
18 /* The macro _VA_LIST is used in SCO Unix 3.2. */
22 typedef char *va_list;
24 #endif /* _VA_LIST_ */
26 /* Amount of space required in an argument list for an arg of type TYPE.
27 TYPE may alternatively be an expression whose type is used. */
29 #define __va_rounded_size(TYPE) \
30 (((sizeof (TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int))
33 #define va_start(AP, LASTARG) \
34 (AP = ((char *) __builtin_next_arg ()))
36 #define va_start(AP, LASTARG) \
37 (__builtin_saveregs (), \
38 AP = ((char *) __builtin_next_arg ()))
41 void va_end (va_list); /* Defined in libgcc.a */
44 #define va_arg(AP, TYPE) \
45 (AP += __va_rounded_size (TYPE), \
46 *((TYPE *) (AP - __va_rounded_size (TYPE))))
50 #endif /* _STDARG_H */