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/*
* Copyright (c) 2012-2017 Roberto E. Vargas Caballero
*
* SPDX-License-Identifier: BSD-3-Clause
*/
/*
* Portions copyright (c) 2018, ARM Limited and Contributors.
* All rights reserved.
*/
#ifndef _STDIO_H
#define _STDIO_H
#include <stdio_.h>
#ifndef FOPEN_MAX
#define FOPEN_MAX 12
#endif
#ifndef NULL
#define NULL ((void *) 0)
#endif
#define EOF -1
#define SEEK_CUR 0
#define SEEK_END 1
#define SEEK_SET 2
#define _IOWRITE (1 << 0)
#define _IOREAD (1 << 1)
#define _IORW (1 << 2)
#define _IOEOF (1 << 3)
#define _IOERR (1 << 4)
#define _IOSTRG (1 << 5)
#define _IOTXT (1 << 6)
#define _IOFBF (1 << 7)
#define _IOLBF (1 << 8)
#define _IONBF (1 << 9)
#define _IOALLOC (1 <<10)
typedef struct {
int fd; /* file descriptor */
unsigned char *buf; /* pointer to i/o buffer */
unsigned char *rp; /* read pointer */
unsigned char *wp; /* write pointer */
unsigned char *lp; /* write pointer used when line-buffering */
size_t len; /* actual length of buffer */
unsigned short flags;
unsigned char unbuf[1]; /* tiny buffer for unbuffered io */
} FILE;
extern FILE __iob[FOPEN_MAX];
#define stdin (&__iob[0])
#define stdout (&__iob[1])
#define stderr (&__iob[2])
extern int remove(const char *filename);
extern int rename(const char *old, const char *new);
extern FILE *tmpfile(void);
extern char *tmpnam(char *s);
extern int fclose(FILE *fp);
extern int fflush(FILE *fp);
extern FILE *fopen(const char * restrict fname, const char * restrict mode);
extern FILE *freopen(const char * restrict fname, const char * restrict mode,
FILE * restrict fp);
extern void setbuf(FILE * restrict fp, char * restrict buf);
extern int setvbuf(FILE * restrict fp,
char * restrict buf, int mode, size_t size);
extern int fprintf(FILE * restrict fp, const char * restrict fmt, ...);
extern int fscanf(FILE * restrict fp, const char * restrict fmt, ...);
extern int printf(const char * restrict fmt, ...);
extern int scanf(const char * restrict fmt, ...);
extern int snprintf(char * restrict s,
size_t n, const char * restrict fmt, ...);
extern int sprintf(char * restrict s, const char * restrict fmt, ...);
extern int sscanf(const char * restrict s, const char * restrict fmt, ...);
#ifdef _STDARG_H
extern int vfprintf(FILE * restrict fp,
const char * restrict fmt, va_list arg);
extern int vfscanf(FILE * restrict fp,
const char * restrict fmt, va_list arg);
extern int vprintf(const char * restrict fmt, va_list arg);
extern int vscanf(const char * restrict fmt, va_list arg);
extern int vsnprintf(char * restrict s, size_t n, const char * restrict fmt,
va_list arg);
extern int vsprintf(char * restrict s,
const char * restrict fmt, va_list arg);
extern int vsscanf(const char * restrict s,
const char * restrict fmt, va_list arg);
#endif
extern int fgetc(FILE *fp);
extern char *fgets(char * restrict s, int n, FILE * restrict fp);
extern int fputc(int c, FILE *fp);
extern int fputs(const char * restrict s, FILE * restrict fp);
extern int getc(FILE *fp);
extern int getchar(void);
extern char *gets(char *s);
extern int putc(int c, FILE *fp);
extern int putchar(int c);
extern int puts(const char *s);
extern int ungetc(int c, FILE *fp);
extern size_t fread(void * restrict ptr, size_t size, size_t nmemb,
FILE * restrict fp);
extern size_t fwrite(const void * restrict ptr, size_t size, size_t nmemb,
FILE * restrict fp);
extern int fgetpos(FILE * restrict fp, fpos_t * restrict pos);
extern int fseek(FILE *fp, long int offset, int whence);
extern int fsetpos(FILE *fp, const fpos_t *pos);
extern long int ftell(FILE *fp);
extern void rewind(FILE *fp);
extern void clearerr(FILE *fp);
extern int feof(FILE *fp);
extern int ferror(FILE *fp);
extern void perror(const char *s);
extern int __getc(FILE *fp);
extern int __putc(int, FILE *fp);
#ifdef __USE_MACROS
#ifdef __UNIX_FILES
#define getc(fp) ((fp)->rp >= (fp)->wp ? __getc(fp) : *(fp)->rp++)
#define putc(c, fp) ((fp)->wp >= (fp)->rp ? __putc(c,fp) : (*(fp)->wp++ = c))
#endif
#define ferror(fp) ((fp)->flags & _IOERR)
#define feof(fp) ((fp)->flags & _IOEOF)
#define clearerr(fp) (void) ((fp)->flags &= ~(_IOERR|_IOEOF))
#define getchar() getc(stdin)
#define putchar(c) putc((c), stdout)
#define setbuf(fp, b) (void) setvbuf(fp, b, b ? _IOFBF:_IONBF, BUFSIZ)
#endif
#endif
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