sys/src/boot/alphapc/u.h

   1 #define nil             ((void*)0)
   2 typedef unsigned short          ushort;
   3 typedef unsigned char           uchar;
   4 typedef signed char             schar;
   5 typedef unsigned long           ulong;
   6 typedef unsigned int    uint;
   7 typedef long long                       vlong;
   8 typedef unsigned long long      uvlong;
   9 typedef union Length            Length;
  10 typedef ushort                  Rune;
  11
  12 union Length
  13 {
  14         vlong   length;
  15 };
  16
  17 /* stdarg */
  18 typedef char*   va_list;
  19 #define va_start(list, start) list = (char*)(&(start)+1)
  20 #define va_end(list)
  21 #define va_arg(list, mode)\
  22         (sizeof(mode)==1?\
  23                 ((mode*)(list += 4))[-1]:\
  24         sizeof(mode)==2?\
  25                 ((mode*)(list += 4))[-1]:\
  26         sizeof(mode)>4?\
  27                 ((mode*)(list = (char*)((long)(list+7) & ~7) + sizeof(mode)))[-1]:\
  28                 ((mode*)(list += sizeof(mode)))[-1])