types

type C_char byte

type C_exit_status struct {
	C_e_termination int16 // C_short /* Process termination status */
	C_e_exit        int16 // C_short /* Process exit status */
}

type C_int32_t int32

type C_pid_t int32

type C_short int16

type C_timeval struct {
	/* Seconds */
	C_tv_sec uint32 // C_int32_t

	/* Microseconds */
	C_tv_usec uint32 // C_int32_t
}

type C_utmp struct {
	/* Type of record */
	// C_ut_type C_short
	// TODO 文档描述中是short,实际上 好像是int32
	C_ut_type uint32 // C_int32_t

	/* PID of login process */
	C_ut_pid uint32

	/* Device name of tty - "/dev/" */
	C_ut_line [C_UT_LINESIZE]byte

	/* Terminal name suffix, or inittab(5) ID */
	C_ut_id [4]byte

	/* Username */
	C_ut_user [C_UT_NAMESIZE]byte

	/* Hostname for remote login, or kernel version for run-level messages */
	C_ut_host [C_UT_HOSTSIZE]byte

	/* Exit status of a process marked as DEAD_PROCESS; not used by Linux init (1 */
	C_ut_exit C_exit_status

	/* Session ID (getsid(2)),used for windowing */
	C_ut_session uint32

	/* Time entry was made */
	C_ut_tv C_timeval

	/* Internet address of remote host; IPv4 address uses just ut_addr_v6[0] */
	C_ut_addr_v6 [4]uint32

	/* Reserved for future use */
	C__unused [20]byte
}

type C_utmpList []C_utmp

type Exit_status struct {
	TerminationCode int16 /* Process termination status */
	ExitCode        int16 /* Process exit status */
}

type RecordTypeConst int32

type Utmp struct {
	// 记录类型
	RecordType RecordTypeConst
	// 进程id
	Pid int32
	// 32个字节类型, 设备名称
	DeviceName string
	// 4个字节
	TerminalId string
	// 32个字节
	UserName string
	// 256个字节
	HostName string
	// 进程退出状态
	ExitStatus Exit_status

	SessionId int32

	Timeval time.Time

	RemoteIP net.IP
	// contains filtered or unexported fields
}