内核中定义的一些类型与用户态类型的对应关系

内核中出现的类型与用户态类型的对应：

typedef unsigned int         __kernel_ino_t;

typedef unsigned int         __kernel_mode_t;

typedef unsigned int         __kernel_nlink_t;

typedef long              __kernel_off_t;

typedef long long     __kernel_loff_t;

typedef int                 __kernel_pid_t;

typedef int                 __kernel_ipc_pid_t;

typedef unsigned int         __kernel_uid_t;

typedef unsigned int         __kernel_gid_t;

typedef unsigned long      __kernel_size_t;

typedef long              __kernel_ssize_t;

typedef long              __kernel_ptrdiff_t;

typedef long              __kernel_time_t;

typedef long              __kernel_suseconds_t;

typedef long              __kernel_clock_t;

typedef int                 __kernel_daddr_t;

typedef char *          __kernel_caddr_t;

typedef unsigned long      __kernel_sigset_t;   /* at least 32 bits */

typedef unsigned short    __kernel_uid16_t;

typedef unsigned short    __kernel_gid16_t;

typedef int                 __kernel_clockid_t;

typedef int                 __kernel_timer_t;

typedef unsigned long          __kernel_size_t;

typedef long                   __kernel_ssize_t;

typedef long                   __kernel_ptrdiff_t;

typedef long                   __kernel_time_t;

typedef long                   __kernel_clock_t;

typedef int                    __kernel_pid_t;

typedef int                    __kernel_ipc_pid_t;

typedef unsigned int           __kernel_uid_t;

typedef unsigned int           __kernel_gid_t;

typedef unsigned long          __kernel_ino_t;

typedef unsigned int           __kernel_mode_t;

typedef unsigned short         __kernel_umode_t;

typedef unsigned int           __kernel_nlink_t;

typedef int                    __kernel_daddr_t;

typedef long                   __kernel_off_t;

typedef char *                 __kernel_caddr_t;

typedef unsigned short           __kernel_uid16_t;

typedef unsigned short           __kernel_gid16_t;

typedef int                    __kernel_clockid_t;

typedef int                    __kernel_timer_t;

typedef unsigned short          __kernel_old_uid_t;

typedef unsigned short         __kernel_old_gid_t;

typedef __kernel_uid_t          __kernel_uid32_t;

typedef __kernel_gid_t          __kernel_gid32_t;

typedef unsigned int                __kernel_old_dev_t;