typedef unsigned short ushort;

#define nil ((void*)0)
typedef unsigned short ushort;
typedef unsigned char uchar;
typedef unsigned long ulong;
typedef unsigned int uint;
typedef signed char schar;
typedef long long vlong;
typedef unsigned long long uvlong;
typedef ushort Rune;
typedef union FPdbleword FPdbleword;
typedef long jmp_buf[2];
#define JMPBUFSP 0
#define JMPBUFPC 1
#define JMPBUFDPC 0
typedef unsigned int mpdigit; /* for /sys/include/mp.h */
typedef unsigned int u32int;

/* FCR */
#define FPINEX (1<<30)
#define FPOVFL (1<<19)
#define FPUNFL ((1<<29)|(1<<28))
#define FPZDIV (1<<18)
#define FPINVAL (1<<17)

#define FPRNR (2<<26)
#define FPRZ (0<<26)
#define FPRPINF (3<<26)
#define FPRNINF (1<<26)
#define FPRMASK (3<<26)

#define FPPEXT 0
#define FPPSGL 0
#define FPPDBL 0
#define FPPMASK 0
/* FSR */
#define FPAINEX (1<<24)
#define FPAUNFL (1<<23)
#define FPAOVFL (1<<22)
#define FPAZDIV (1<<21)
#define FPAINVAL (1<<20)
union FPdbleword
{
double x;
struct { /* little endian */
ulong lo;
ulong hi;
};
};

/* stdarg */
typedef char* va_list;
#define va_start(list, start) list =\
(sizeof(start) < 4?\
(char*)((int*)&(start)+1):\
(char*)(&(start)+1))
#define va_end(list)\
USED(list)
#define va_arg(list, mode)\
(sizeof(mode)==1?\
((mode*)(list += 4))[-4]:\
sizeof(mode)==2?\
((mode*)(list += 4))[-2]:\
sizeof(mode)>4?\
((mode*)(list = (char*)((long)(list+7) & ~7) + sizeof(mode)))[-1]:\
((mode*)(list += sizeof(mode)))[-1])