utmp.h

来自「用于嵌入式Linux系统的标准C的库函数」· C头文件 代码 · 共 55 行

/* libc/sys/linux/sys/utmp.h - utmp structure */

/* Written 2000 by Werner Almesberger */


/* Some things copied from glibc's /usr/include/bits/utmp.h */


#ifndef _SYS_UTMP_H
#define _SYS_UTMP_H


#include <sys/types.h>


#define UTMP_FILE "/var/run/utmp"

#define UT_LINESIZE	32
#define UT_NAMESIZE	32
#define UT_HOSTSIZE	256

struct utmp {
    short int ut_type;
    pid_t ut_pid;
    char ut_line[UT_LINESIZE];
    char ut_id[4];
    char ut_user[UT_NAMESIZE];
    char ut_host[UT_HOSTSIZE];
    char __filler[52];
};

#define RUN_LVL		1
#define BOOT_TIME	2
#define NEW_TIME	3
#define OLD_TIME	4

#define INIT_PROCESS	5
#define LOGIN_PROCESS	6
#define USER_PROCESS	7
#define DEAD_PROCESS	8


/* --- redundant, from sys/cygwin/sys/utmp.h --- */

struct utmp *_getutline (struct utmp *);
struct utmp *getutent (void);
struct utmp *getutid (struct utmp *);
struct utmp *getutline (struct utmp *);
void endutent (void);
void pututline (struct utmp *);
void setutent (void);
void utmpname (const char *);

#endif