types.h

fairysky系统,是一个小型的内核,模拟linux原始版本的

/*文件名: types.h
  说明:   类型定义
  作者:   marsinfan
  日期:   2005/12/20
*/


#ifndef _fairysky_types_h
#define _fairysky_types_h

#ifndef _SIZE_T
#define _SIZE_T
typedef unsigned int size_t;
#endif

#ifndef _SSIZE_T
#define _SSIZE_T
typedef int ssize_t;
#endif

#ifndef _COUNT_T
#define _COUNT_T
typedef unsigned int count_t;
#endif

#ifndef _TIME_T
#define _TIME_T
typedef long time_t;
#endif

#ifndef _CLOCK_T
#define _CLOCK_T
typedef long clock_t;
#endif

#ifndef _PTRDIFF_T
#define _PTRDIFF_T
typedef long ptrdiff_t;
#endif

#ifndef _SIGSET_T
#define _SIGSET_T
typedef unsigned int sigset_t;		/* 32 bits */
#endif

#ifndef NULL
#define NULL ((void *) 0)
#endif

typedef signed char s8;
typedef unsigned char u8;

typedef signed short s16;
typedef unsigned short u16;

typedef signed int s32;
typedef unsigned int u32;

typedef signed long long s64;
typedef unsigned long long u64;

typedef int pid_t;
typedef unsigned short uid_t;
typedef unsigned short gid_t;
typedef unsigned short dev_t;
#ifdef OLD_LINUX
typedef unsigned short ino_t;
#else
typedef unsigned long ino_t;
#endif
typedef unsigned short mode_t;
typedef unsigned short umode_t;
typedef unsigned short nlink_t;
typedef int daddr_t;
typedef long off_t;

/* bsd */
typedef unsigned char u_char;
typedef unsigned short u_short;
typedef unsigned int u_int;
typedef unsigned long u_long;

/* sysv */
typedef unsigned char unchar;
typedef unsigned short ushort;
typedef unsigned int uint;
typedef unsigned long ulong;

typedef char *caddr_t;

typedef unsigned char cc_t;
typedef unsigned int speed_t;
typedef unsigned long tcflag_t;

typedef unsigned long fd_set;
typedef unsigned long addr_t;

typedef struct
{
    int quot, rem;
} div_t;
typedef struct
{
    long quot, rem;
} ldiv_t;

struct ustat
{
    daddr_t f_tfree;
    ino_t f_tinode;
    char f_fname[6];
    char f_fpack[6];
};

#endif