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#pragma once
#include <stdarg.h>
///@defgroup libk libk
///@{
///@defgroup stdio stdio
///@{
/// An object type used for streams
typedef struct FILE {
int id;
/// Function that prints a character to the stream
void (*putc)(const struct FILE *, char);
/// Function that prints a string to the stream
int (*puts)(const struct FILE *, const char *, int);
/// Flush write buffers
void (*flush)(const struct FILE *);
} FILE;
/** A FILE value corresponding to stdin, the keyboard buffer */
extern FILE *stdin;
/** A FILE value corresponding to stdout, the display */
extern FILE *stdout;
/** A FILE value corresponding to stderr, the uart */
extern FILE *stderr;
/**
* Write the formatted string to stdout
* Supports ``%s`` (string), ``%d`` (decimal), ``%u`` (unsigned), ``%x`` (hexadecimal)
* @return number of bytes written
*/
int printf(const char *restrict format, ...);
/**
* Write the formatted string to stream; see printf
*/
int fprintf(FILE *restrict stream, const char *restrict format, ...);
/**
* Write the formatted string to stream; see printf
*/
int vfprintf(FILE *restrict stream, const char *restrict format, va_list ap);
///@}
///@}
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