#define S_IFMT   0170000
#define S_IFSOCK 0140000
#define S_IFLNK	 0120000
#define S_IFREG  0100000
#define S_IFBLK  0060000
#define S_IFDIR  0040000
#define S_IFCHR  0020000
#define S_IFIFO  0010000

#define S_ISUID  004000
#define S_ISGID  002000
#define S_ISVTX  001000

#define S_ISLNK(m)	(((m) & S_IFMT) == S_IFLNK)
#define S_ISREG(m)	(((m) & S_IFMT) == S_IFREG)
#define S_ISDIR(m)	(((m) & S_IFMT) == S_IFDIR)
#define S_ISCHR(m)	(((m) & S_IFMT) == S_IFCHR)
#define S_ISBLK(m)	(((m) & S_IFMT) == S_IFBLK)
#define S_ISFIFO(m)	(((m) & S_IFMT) == S_IFIFO)
#define S_ISSOCK(m)	(((m) & S_IFMT) == S_IFSOCK)

#define S_IRWXU 0700
#define S_IRUSR 0400
#define S_IWUSR 0200
#define S_IXUSR 0100

#define S_IRWXG 0070
#define S_IRGRP 0040
#define S_IWGRP 0020
#define S_IXGRP 0010

#define S_IRWXO 0007
#define S_IROTH 0004
#define S_IWOTH 0002
#define S_IXOTH 0001

#define ST_MODE  0
#define ST_SIZE  1
#define ST_ATIME 2
#define ST_MTIME 3
#define ST_CTIME 4
#define ST_UID   5
#define ST_GID   6
