#include "main.h"
/**
 * _strlen - Returns the length.
 * @s: char pointer
 * Return: c.
 */
int _strlen(char *s)
{
	int c;
	for (c = 0; s[c] != 0; c++)
		;
	return (c);

}
/**
 * _strlenc - char pointer s
 * @s: char pointer
 * Return: c
 */
int _strlenc(const char *s)
{
	int c;

	for (c = 0; s[c] != 0; c++)
		;
	return (c);
}

/**
 * printf_string - print a string.
 * @val: argument.
 * Return: the length of the string.
 */

int printf_string(va_list val)
{
	char *s;
	int i, len;

	s = va_arg(val, char *);
	if (s == NULL)
	{
		s = "(null)";
		len = _strlen(s);
		for (i = 0; i < len; i++)
			_putchar(s[i]);
		return (len);
	}
	else
	{
		len = _strlen(s);
		for (i = 0; i < len; i++)
			_putchar(s[i]);
		return (len);
	}
}

/**
 * printf_unsigned - prints integer
 * @args: argument to print
 * Return: number of characters printed
 */
int printf_unsigned(va_list args)
{
	unsigned int n = va_arg(args, unsigned int);
	int num, last = n % 10, digit, exp = 1;
	int  i = 1;

	n = n / 10;
	num = n;

	if (last < 0)
	{
		_putchar('-');
		num = -num;
		n = -n;
		last = -last;
		i++;
	}
	if (num > 0)
	{
		while (num / 10 != 0)
		{
			exp = exp * 10;
			num = num / 10;
		}
		num = n;
		while (exp > 0)
		{
			digit = num / exp;
			_putchar(digit + '0');
			num = num - (digit * exp);
			exp = exp / 10;
			i++;
		}
	}
	_putchar(last + '0');

	return (i);
}

/**
 * printf_srev - function that prints a str in reverse
 * @args: type struct va_arg where is allocated printf arguments
 * Return: the string
 */
int printf_srev(va_list args)
{

	char *s = va_arg(args, char*);
	int i;
	int j = 0;

	if (s == NULL)
		s = "(null)";
	while (s[j] != '\0')
		j++;
	for (i = j - 1; i >= 0; i--)
		_putchar(s[i]);
	return (j);
}