#include <stdarg.h>
#include <stdio.h> //for real printf and putchar

void myprintf(const char *, ...);

void _p_myprintf_int(int arg)
{
    printf("%d", arg); //we're just going to use real printf for simplicity
}

void _p_myprintf_unsigned(unsigned arg)
{
    printf("%u", arg); //for simplicity
}

void _p_myprintf_string(char *str)
{
    while (*str) //while current char is not null terminator
        putchar(*str++); //put it to the screen, increment current
}

void myprintf(const char *fmt, ...)
{
    va_list args; //this is actually just a placeholder to our first (variable) argument
    va_start(args, fmt); //set up our list so we can retrieve it
    while (*fmt) //loop through each character of the string
    {
        if (*fmt++ == '%') //our control character
        {                              //we increment it as well so our next character is our type spec
            switch (*fmt++) //case-select our list, and increment it as well.
            {
             case 'i': //integer
                 break;
             case 'u': //unsigned int
                 break;
             case 's': //string
                 break;
            }
        }
    }
    va_end(args);
}