#ifndef _LIBC_IO_FILE_H_
#define _LIBC_IO_FILE_H_

#include <stddef.h>

enum file_flags {
	FILE_EOF = 0x01u,
	FILE_ERR = 0x02u,
	FILE_BIN = 0x04u,
};

struct __opaque_file {
	enum file_flags f_flags;
	int f_fd;
	char f_unget;
	char *f_buf;
	size_t f_buf_datalen, f_buf_max;
	size_t f_buf_readptr;
};

extern int __libc_file_refill(struct __opaque_file *f);
extern int __libc_file_read(struct __opaque_file *f, void *out, size_t count);
extern size_t __libc_file_available(struct __opaque_file *f);

#endif