#ifndef LIBIO_H
#define LIBIO_H

#define BUFSIZE 131072

struct file_t;
struct file_t {
   long long cur,         /* Index of the current symbol. */
             end;         /* Index of the last symbols. */
   unsigned char *buf;    /* Buffer. Allocated while I/O. Need to be void*? */
   int fd;   
};

typedef struct file_t FILE_T;

extern FILE_T std_streams[3];

#define STDINF       (&std_streams[0])
#define STDOUTF      (&std_streams[1])
#define STDERRF      (&std_streams[2])

FILE_T *file_open( const char* path, int flags );
int file_close( FILE_T* file );
int file_fd( FILE_T *file );
void file_fresh( FILE_T *file );

int fgetchr( FILE_T *file );
int wgetchr( struct file_t *file, char *bytes);

/* No buffer. No more. */
int fmt_print( int fd, const char* fmt, ... );

#define print( fmt,... ) fmt_print( STDOUT_FILENO, fmt, __VA_ARGS__ )
#define eprint( fmt,... ) fmt_print( STDERR_FILENO, fmt, __VA_ARGS__ )
#define puts( msg ) fmt_print( STDOUT_FILENO, msg )
#define eputs( msg ) fmt_print( STDERR_FILENO, msg )

int putstr( int fd, const char* str );

#endif /* LIBIO_H*/