stat.h

介绍：MySQL是比较出名的数据库软件

/*	@(#)stat.h 2.19 90/01/24 SMI; from UCB 4.7 83/05/21	*/

/*
 * NOTE: changes to this file should also be made to xpg2include/sys/stat.h
 */

#ifndef	__sys_stat_h
#define	__sys_stat_h

#include <sys/cdefs.h>
#include <sys/types.h>

struct	stat {
	dev_t	st_dev;
	ino_t	st_ino;
	mode_t	st_mode;
	short	st_nlink;
	uid_t	st_uid;
	gid_t	st_gid;
	dev_t	st_rdev;
	off_t	st_size;
	time_t	st_atime;
	int	st_spare1;
	time_t	st_mtime;
	int	st_spare2;
	time_t	st_ctime;
	int	st_spare3;
	long	st_blksize;
	long	st_blocks;
	long	st_spare4[2];
};

#define	_IFMT		0170000	/* type of file */
#define		_IFDIR	0040000	/* directory */
#define		_IFCHR	0020000	/* character special */
#define		_IFBLK	0060000	/* block special */
#define		_IFREG	0100000	/* regular */
#define		_IFLNK	0120000	/* symbolic link */
#define		_IFSOCK	0140000	/* socket */
#define		_IFIFO	0010000	/* fifo */

#define	S_ISUID		0004000	/* set user id on execution */
#define	S_ISGID		0002000	/* set group id on execution */
#ifndef	_POSIX_SOURCE
#define	S_ISVTX		0001000	/* save swapped text even after use */
#define	S_IREAD		0000400	/* read permission, owner */
#define	S_IWRITE 	0000200	/* write permission, owner */
#define	S_IEXEC		0000100	/* execute/search permission, owner */

#define	S_ENFMT 	0002000	/* enforcement-mode locking */

#define	S_IFMT		_IFMT
#define	S_IFDIR		_IFDIR
#define	S_IFCHR		_IFCHR
#define	S_IFBLK		_IFBLK
#define	S_IFREG		_IFREG
#define	S_IFLNK		_IFLNK
#define	S_IFSOCK	_IFSOCK
#define	S_IFIFO		_IFIFO
#endif	!_POSIX_SOURCE

#define	S_IRWXU 	0000700	/* rwx, owner */
#define		S_IRUSR	0000400	/* read permission, owner */
#define		S_IWUSR	0000200	/* write permission, owner */
#define		S_IXUSR	0000100	/* execute/search permission, owner */
#define	S_IRWXG		0000070	/* rwx, group */
#define		S_IRGRP	0000040	/* read permission, group */
#define		S_IWGRP	0000020	/* write permission, grougroup */
#define		S_IXGRP	0000010	/* execute/search permission, group */
#define	S_IRWXO		0000007	/* rwx, other */
#define		S_IROTH	0000004	/* read permission, other */
#define		S_IWOTH	0000002	/* write permission, other */
#define		S_IXOTH	0000001	/* execute/search permission, other */

#define	S_ISBLK(m)	(((m)&_IFMT) == _IFBLK)
#define	S_ISCHR(m)	(((m)&_IFMT) == _IFCHR)
#define	S_ISDIR(m)	(((m)&_IFMT) == _IFDIR)
#define	S_ISFIFO(m)	(((m)&_IFMT) == _IFIFO)
#define	S_ISREG(m)	(((m)&_IFMT) == _IFREG)
#ifndef	_POSIX_SOURCE
#define	S_ISLNK(m)	(((m)&_IFMT) == _IFLNK)
#define	S_ISSOCK(m)	(((m)&_IFMT) == _IFSOCK)
#endif

__BEGIN_DECLS
int		chmod 	__P_((const char *path, mode_t mode));
int		fstat 	__P_((int fd, struct stat *sbuf));
int		mkdir 	__P_((char *path, mode_t mode));
int		mkfifo 	__P_((char *path, mode_t mode));
int		stat 	__P_((const char *path, struct stat *sbuf));
mode_t	umask 	__P_((mode_t mask));
__END_DECLS

#endif	/* !__sys_stat_h */