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#include <stdarg.h>
#include <unistd.h>
#include <stdio.h>

int _putchar(char c)
{
    return (write(1, &c, 1));
}

int handle_string(char *str)
{
    int i = 0;

    if (str == NULL)
    {
        handle_string("(null)");
        return (6);
    }
    while (str[i])
    {
        putchar(str[i]);
        i++;
    }
    return (i);
}

int len_num(int num)
{
    if (num == 0)
        return (0);
    return (1 + len_num(num / 10));
}

int handle_number(int num)
{
    if (num == -2147483648)
    {
        _putchar('-');
        _putchar('2');
        handle_number(147483648);
        return (1);
    }
    else if (num < 0)
    {
        _putchar('-');
        num = -num;
    }
    if (num >= 10)
    {
        handle_number(num / 10);
        handle_number(num % 10);
    }
    else if (num < 10)
    {
        _putchar(num + '0');
    }
    return (1);
}
// printf("pjczoc %s ", "alx")
int _printf(const char *format, ...)
{
    int count = 0;

    va_list args;
    va_start(args, format);

    if (!format || !format[0])
        return (-1);
    while (*format)
    {
        if (*format == '%')
        {
            format++;
            if (*format == 'c') 
            {
                char c = va_arg(args, int);
                count += _putchar(c);
                
            }
            else if (*format == 's')
            {
                char *str = va_arg(args, char *);
                count += handle_string(str);
            }
            else if (*format == '%')
            {
                _putchar('%');
                count++;
            }
            else if (*format == 'd' || *format == 'i')
            {
                int num = va_arg(args, int);
                if (num < 0)
                    count++;
                count += len_num(num);
                handle_number(num);
            }
            else 
            {
                _putchar('%');
                count++;
                if (*format)
                {
                  _putchar(*format);   
                  count++;
                }
            }
            format++;
        }
        else
        {
            _putchar(*format);
            format++;
            count++;
        }
    }
    return (count);
}

int main()
{
  _printf("hello %d %i", 423, 12);

  return (0);
}