plan9fox/386/include/u.h
2011-03-30 15:02:07 +00:00

66 lines
1.5 KiB
C

#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 unsigned long uintptr;
typedef unsigned long usize;
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 char u8int;
typedef unsigned short u16int;
typedef unsigned int u32int;
typedef unsigned long long u64int;
/* FCR */
#define FPINEX (1<<5)
#define FPUNFL ((1<<4)|(1<<1))
#define FPOVFL (1<<3)
#define FPZDIV (1<<2)
#define FPINVAL (1<<0)
#define FPRNR (0<<10)
#define FPRZ (3<<10)
#define FPRPINF (2<<10)
#define FPRNINF (1<<10)
#define FPRMASK (3<<10)
#define FPPEXT (3<<8)
#define FPPSGL (0<<8)
#define FPPDBL (2<<8)
#define FPPMASK (3<<8)
/* FSR */
#define FPAINEX FPINEX
#define FPAOVFL FPOVFL
#define FPAUNFL FPUNFL
#define FPAZDIV FPZDIV
#define FPAINVAL FPINVAL
union FPdbleword
{
double x;
struct { /* little endian */
ulong lo;
ulong hi;
};
};
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)?\
((list += 4), (mode*)list)[-4]:\
(sizeof(mode) == 2)?\
((list += 4), (mode*)list)[-2]:\
((list += sizeof(mode)), (mode*)list)[-1])