#ifndef __STDIO_H__
#define __STDIO_H__

#include <stdarg.h>	/* va_list, va_arg() */
#include <stddef.h>	/* size_t */
#include <stdlib.h>
//#include <dirent.h>
// FIXME: find a right place to define the following things
// constants
typedef int fpos_t;
#define FSEEK_SET   0   // origin is beginning of the file
#define FSEEK_CUR   1   // origin is current position
#define FSEEK_END   2   // origin is end of the file

typedef unsigned long FILE;
typedef int time_t;
struct stat {
        int             st_dev;     /* ID of device containing file */
	int             st_ino;     /* inode number */
	int             st_mode;    /* protection */
	int             st_size;    /* total size, in bytes */
	int             st_blksize; /* blocksize for file system I/O */
	int             st_blocks;  /* number of 512B blocks allocated */
	time_t          st_atime;   /* time of last access */
	time_t          st_mtime;   /* time of last modification */
	time_t          st_ctime;   /* time of last status change */
};

#define stdin	((void*)0)
#define stdout	((void*)0)
#define stderr	((void*)0)
#define EOF	(-1)

int vsprintf(char *buffer, const char *fmt, va_list args);
int sprintf(char *buffer, const char *fmt, ...);
int vprintf(const char *fmt, va_list args);
int printf(const char *fmt, ...);
int fprintf(FILE *stream, const char *format, ...);

int fgetc(FILE *stream);
char *fgets(char *s, int size, FILE *stream);
int getc(FILE *stream);
int getchar(void);
char *gets(char *s);
int ungetc(int c, FILE *stream);

int fputc(int c, FILE *stream);
int fputs(const char *s, FILE *stream);
int putc(int c, FILE *stream);
int putchar(int c);
int puts(const char *s);
FILE *fopen(const char *path, const char *mode);
FILE *fdopen(int fd, const char *mode);
FILE *freopen(const char *path, const char *mode, FILE *stream);
int fclose(FILE *fp);

size_t fread(void *ptr, size_t size, size_t nmemb, FILE *stream);
size_t fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream);
struct dir *opendir(const char *path);
struct dirent *readdir(struct dir *dirp);
int closedir(struct dir *dirp);
int fstat(FILE* fd, struct stat *buf);

#endif /* __STDIO_H__ */