/*  io.h
*   In/Out
*
*   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>

typedef struct char_writer_s char_writer_t;
struct char_writer_s {
    int (*putChar)(void* ctx, char out);
    void* ctx;
};

int putc(char_writer_t*, char);
int print(char_writer_t*, const char*);
int println(char_writer_t*, const char*);
int printhex(char_writer_t*, uint32_t);
int prindec(char_writer_t*, uint32_t out);
int printf(char_writer_t*, const char* fmt, ...);

#endif