#pragma once

#include <_cheader.h>
#include <stddef.h>
#include <stdint.h>

_Begin_C_Header

typedef int mode_t;

struct stat  {
	uint16_t  st_dev;
	uint16_t  st_ino;
	uint32_t  st_mode;
	uint16_t  st_nlink;
	uint16_t  st_uid;
	uint16_t  st_gid;
	uint16_t  st_rdev;
	int32_t  st_size;
	uint32_t  st_atime;
	uint32_t  __unused1;
	int32_t  st_mtime;
	uint32_t  __unused2;
	uint32_t  st_ctime;
	uint32_t  __unused3;
	uint32_t  st_blksize;
	uint32_t  st_blocks;
};

#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_BLKSIZE  1024 /* size of a block */

#define	S_ISUID		0004000	/* set user id on execution */
#define	S_ISGID		0002000	/* set group id on execution */
#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

#define	S_IRWXU 	(S_IRUSR | S_IWUSR | S_IXUSR)
#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		(S_IRGRP | S_IWGRP | S_IXGRP)
#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		(S_IROTH | S_IWOTH | S_IXOTH)
#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)
#define	S_ISLNK(m)	(((m)&_IFMT) == _IFLNK)
#define	S_ISSOCK(m)	(((m)&_IFMT) == _IFSOCK)

extern int stat(const char *file, struct stat *st);
extern int lstat(const char *path, struct stat *st);
extern int fstat(int fd, struct stat *st);
extern int mkdir(const char *pathname, mode_t mode);
extern mode_t umask(mode_t mask);

_End_C_Header