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Copyright 1989 AT&T
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stat.h, stat - data returned by stat system call

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

The system calls stat(), lstat() and fstat() return data in a stat structure, which is defined in <stat.h>.

The constants used in the st_mode field are also defined in this file:

#define	S_IFMT	/* type of file */
#define	S_IAMB	/* access mode bits */
#define	S_IFIFO	/* fifo */
#define	S_IFCHR	/* character special */
#define	S_IFDIR	/* directory */
#define	S_IFNAM	/* XENIX special named file */
#define	S_INSEM	/* XENIX semaphore subtype of IFNAM */
#define	S_INSHD	/* XENIX shared data subtype of IFNAM */
#define	S_IFBLK	/* block special */
#define	S_IFREG	/* regular */
#define	S_IFLNK	/* symbolic link */
#define	S_IFSOCK	/* socket */
#define	S_IFDOOR	/* door */
#define	S_ISUID	/* set user id on execution */
#define	S_ISGID	/* set group id on execution */
#define	S_ISVTX	/* save swapped text even after use */
#define	S_IREAD	/* read permission, owner */
#define	S_IWRITE	/* write permission, owner */
#define	S_IEXEC	/* execute/search permission, owner */
#define	S_ENFMT	/* record locking enforcement flag */
#define	S_IRWXU	/* read, write, execute: owner */
#define	S_IRUSR	/* read permission: owner */
#define	S_IWUSR	/* write permission: owner */
#define	S_IXUSR	/* execute permission: owner */
#define	S_IRWXG	/* read, write, execute: group */
#define	S_IRGRP	/* read permission: group */
#define	S_IWGRP	/* write permission: group */
#define	S_IXGRP	/* execute permission: group */
#define	S_IRWXO	/* read, write, execute: other */
#define	S_IROTH	/* read permission: other */
#define	S_IWOTH	/* write permission: other */
#define	S_IXOTH	/* execute permission: other */

The following macros are for POSIX conformance (see standards(5)):

#define	S_ISBLK(mode)	block special file
#define	S_ISCHR(mode)	character special file
#define	S_ISDIR(mode)	directory file
#define	S_ISFIFO(mode)	pipe or fifo file
#define	S_ISREG(mode)	regular file
#define	S_ISSOCK(mode)	socket file

The following symbolic constants are defined as distinct integer values outside of the range [0, 999 999 999], for use with the futimens() and utimensat() functions:

#define UTIME_NOW use the current time
@define UTIME_OMIT no time change

See attributes(5) for descriptions of the following attributes:

ATTRIBUTE TYPE	ATTRIBUTE VALUE
Interface Stability	Committed
Standard	See standards(5).

futimens(2), stat(2), types.h(3HEAD), attributes(5), standards(5)