/**
 * @file io.h
 * @brief In/Out
 * @details Common library for handling user i/o. Aims to be mechanic agnostic, and instead 
 * focus on implementing generic functions to format and manipulate data.
 */
#ifndef IO_H
#define IO_H
#include <stdint.h>

/**
 * @brief 
 */
typedef struct char_writer_s char_writer_t;

/**
 * @brief 
 */
struct char_writer_s {
    int (*putChar)(void* ctx, char out);    /**< @brief  */
    void* ctx;                              /**< @brief  */
};

/**
 * @brief 
 */
extern char_writer_t* default_output;

/**
 * @brief 
 * @param 
 * @param 
 * @return int 
 */
int putc(char_writer_t*, char);

/**
 * @brief 
 * @param 
 * @param 
 * @return int 
 */
int print(char_writer_t*, const char*);

/**
 * @brief 
 * @param 
 * @param 
 * @return int 
 */
int println(char_writer_t*, const char*);

/**
 * @brief 
 * @param 
 * @param 
 * @return int 
 */
int printhex(char_writer_t*, uint64_t);

/**
 * @brief 
 * @param 
 * @param out 
 * @return int 
 */
int prindec(char_writer_t*, uint64_t out);

/**
 * @brief 
 * @param 
 * @param fmt 
 * @param ... 
 * @return int 
 */
int printf(char_writer_t*, const char* fmt, ...);

#endif