posix: fcntl.h: define constants in terms of zvfs constants

#ifndef ZEPHYR_POSIX_FCNTL_H_

#define ZEPHYR_POSIX_FCNTL_H_

#ifdef CONFIG_PICOLIBC

#define O_CREAT	 0x0040

#define O_TRUNC	 0x0200

#define O_APPEND 0x0400

#else

#define O_CREAT	 0x0200

#define O_TRUNC	 0x0400

#define O_APPEND 0x0008

#endif

#include <zephyr/sys/fdtable.h>

#define O_ACCMODE (O_RDONLY | O_WRONLY | O_RDWR)

#define O_APPEND   ZVFS_O_APPEND

#define O_CREAT    ZVFS_O_CREAT

#define O_EXCL     ZVFS_O_EXCL

#define O_NONBLOCK ZVFS_O_NONBLOCK

#define O_TRUNC    ZVFS_O_TRUNC

#define O_RDONLY 00

#define O_WRONLY 01

#define O_RDWR	 02

#define O_ACCMODE (ZVFS_O_RDONLY | ZVFS_O_RDWR | ZVFS_O_WRONLY)

#define O_EXCL	   0x0800

#define O_NONBLOCK 0x4000

#define O_RDONLY ZVFS_O_RDONLY

#define O_RDWR   ZVFS_O_RDWR

#define O_WRONLY ZVFS_O_WRONLY

#define F_DUPFD 0

#define F_GETFL 3

#define F_SETFL 4

#define F_DUPFD ZVFS_F_DUPFD

#define F_GETFL ZVFS_F_GETFL

#define F_SETFL ZVFS_F_SETFL

#ifdef __cplusplus

extern "C" {

#include <zephyr/kernel.h>

#include <zephyr/sys/util.h>

#ifdef CONFIG_PICOLIBC

#define ZVFS_O_APPEND 0x0400

#define ZVFS_O_CREAT  0x0040

#define ZVFS_O_TRUNC  0x0200

#else

#define ZVFS_O_APPEND 0x0008

#define ZVFS_O_CREAT  0x0200

#define ZVFS_O_TRUNC  0x0400

#endif

#define ZVFS_O_RDONLY 00

#define ZVFS_O_WRONLY 01

#define ZVFS_O_RDWR   02

#define ZVFS_O_EXCL     0x0800

#define ZVFS_O_NONBLOCK 0x4000

#define ZVFS_F_DUPFD 0

#define ZVFS_F_GETFL 3

#define ZVFS_F_SETFL 4

/* File mode bits */

#define ZVFS_MODE_IFMT   0170000

#define ZVFS_MODE_UNSPEC 0000000

#include <string.h>

#include <stdio.h>

#include <zephyr/posix/fcntl.h>

#include <zephyr/kernel.h>

#include <zephyr/sys/fdtable.h>

#include <zephyr/sys/speculation.h>