diff --git a/_printf.c b/_printf.c
new file mode 100644
index 0000000..23e61fb
--- /dev/null
+++ b/_printf.c
@@ -0,0 +1,44 @@
+#include "main.h"
+/**
+ * _printf - printf but slow fr
+ * @format: identifier.
+ * Return: length.
+ */
+int _printf(const char * const format, ...)
+{
+	convert_match m[] = {
+		{"%s", printf_string}, {"%c", printf_char},
+		{"%%", printf_37}, {"%i", printf_int},
+		{"%d", printf_dec}, {"%r", printf_srev},
+		{"%R", printf_rot13}, {"%b", printf_bin}, {"%u", printf_unsigned},
+		{"%o", printf_oct}, {"%x", printf_hex}, {"%X", printf_HEX},
+		{"%S", printf_exclusive_string}, {"%p", printf_pointer}
+	};
+
+	va_list args;
+	int i = 0, j, len = 0;
+
+	va_start(args, format);
+	if (format == NULL || (format[0] == '%' && format[1] == '\0'))
+		return (-1);
+Here:
+	while (format[i] != '\0')
+	{
+		j = 13;
+		while (j >= 0)
+		{
+			if (m[j].id[0] == format[i] && m[j].id[1] == format[i + 1])
+			{
+				len += m[j].f(args);
+				i = i + 2;
+				goto Here;
+			}
+			j--;
+		}
+		_putchar(format[i]);
+		len++;
+		i++;
+	}
+	va_end(args);
+	return (len);
+}
diff --git a/_putchar.c b/_putchar.c
new file mode 100644
index 0000000..81ffcfb
--- /dev/null
+++ b/_putchar.c
@@ -0,0 +1,12 @@
+#include "main.h"
+
+/**
+ * _putchar - print character
+ * @c: character
+ *
+ * Return: 1 idk
+ */
+int _putchar(char c)
+{
+	return (write(1, &c, 1));
+}
diff --git a/exclusive.c b/exclusive.c
new file mode 100644
index 0000000..66db664
--- /dev/null
+++ b/exclusive.c
@@ -0,0 +1,39 @@
+#include "main.h"
+/**
+ * printf_exclusive_string - print exclusuives string.
+ * @val: argumen t.
+ * Return: the length of the string.
+ */
+
+int printf_exclusive_string(va_list val)
+{
+	char *s;
+	int i, len = 0;
+	int cast;
+
+	s = va_arg(val, char *);
+	if (s == NULL)
+		s = "(null)";
+	for (i = 0; s[i] != '\0'; i++)
+	{
+		if (s[i] < 32 || s[i] >= 127)
+		{
+			_putchar('\\');
+			_putchar('x');
+			len = len + 2;
+			cast = s[i];
+			if (cast < 16)
+			{
+				_putchar('0');
+				len++;
+			}
+			len = len + printf_HEX_aux(cast);
+		}
+		else
+		{
+			_putchar(s[i]);
+			len++;
+		}
+	}
+	return (len);
+}
diff --git a/main.h b/main.h
index 5f434b3..8878b19 100644
--- a/main.h
+++ b/main.h
@@ -1,18 +1,47 @@
-#ifndef MAIN_H_
-#define MAIN_H_
+#ifndef MAIN_H
+#define MAIN_H
+
+#include <unistd.h>
+#include <stdio.h>
 #include <stdarg.h>
-int _printf(const char *format, ...);
-int _contains(const char *str, char c);
-int _strlen(const char *str);
-char *_strcpy(char *dest, char *src);
-char *append(char *str, char c);
-int _puts(char *str);
+#include <stdlib.h>
+#include <limits.h>
+
+/**
+ * struct format - match the conversion specifiers
+ * @id:identifier
+ * @f: type pointer
+ */
+
+typedef struct format
+{
+		char *id;
+			int (*f)();
+} convert_match;
+
+int printf_pointer(va_list val);
+int printf_hex_aux(unsigned long int num);
+int printf_HEX_aux(unsigned int num);
+int printf_exclusive_string(va_list val);
+int printf_HEX(va_list val);
+int printf_unsigned(va_list args);
+int printf_bin(va_list val);
+int printf_srev(va_list args);
+int printf_rot13(va_list args);
+int printf_int(va_list args);
+int printf_hex(va_list val);
+int _strlenc(const char *s);
+int rev_string(char *s);
+int _strlenc(const char *s);
+int printf_37(void);
+int printf_char(va_list val);
+int printf_string(va_list val);
 int _putchar(char c);
-char *_memset(char *adr, int bval);
-int fmt(char c, va_list args);
-char *_str_reverse(char *str);
-char *_itoa(int n, int base);
-char *_uitoa(unsigned int n, int base);
-char *str_up(char *s);
+int _printf(const char *format, ...);
+int printf_oct(va_list val);
+int printf_dec(va_list args);
+int _strlen(char *s);
+int *_strcpy(char *dest, char *src);
+
 
 #endif
diff --git a/man_3_printf b/man_3_printf
new file mode 100644
index 0000000..33799ed
--- /dev/null
+++ b/man_3_printf
@@ -0,0 +1,36 @@
+NAME
+	_printf
+LIBRARY
+		nonstandard library (libmjork)
+SYNOPSIS
+
+	#include <unistd.h>
+	#include <stdio.h>
+	#include <stdarg.h>
+	#include <stdlib.h>
+	#include <limits.h>
+	int printf_pointer(va_list val);
+	int printf_hex_aux(unsigned long int num);
+	int printf_HEX_aux(unsigned int num);
+	int printf_exclusive_string(va_list val);
+	int printf_HEX(va_list val);
+	int printf_unsigned(va_list args);
+	int printf_bin(va_list val);
+	int printf_srev(va_list args);
+	int printf_rot13(va_list args);
+	int printf_int(va_list args);
+	int printf_hex(va_list val);
+	int _strlenc(const char *s);
+	int rev_string(char *s);
+	int _strlenc(const char *s);
+	int printf_37(void);
+	int printf_char(va_list val);
+	int printf_string(va_list val);
+	int _putchar(char c);
+	int _printf(const char *format, ...);
+	int printf_oct(va_list val);
+	int printf_dec(va_list args);
+	int _strlen(char *s);
+	int *_strcpy(char *dest, char *src);
+DESCRIPTION
+		I PROVED A POINT AND THATS WHAT MATTERS
diff --git a/README.md b/proven-point/README.md
similarity index 100%
rename from README.md
rename to proven-point/README.md
diff --git a/itoa.c b/proven-point/itoa.c
similarity index 100%
rename from itoa.c
rename to proven-point/itoa.c
diff --git a/proven-point/main.h b/proven-point/main.h
new file mode 100644
index 0000000..5f434b3
--- /dev/null
+++ b/proven-point/main.h
@@ -0,0 +1,18 @@
+#ifndef MAIN_H_
+#define MAIN_H_
+#include <stdarg.h>
+int _printf(const char *format, ...);
+int _contains(const char *str, char c);
+int _strlen(const char *str);
+char *_strcpy(char *dest, char *src);
+char *append(char *str, char c);
+int _puts(char *str);
+int _putchar(char c);
+char *_memset(char *adr, int bval);
+int fmt(char c, va_list args);
+char *_str_reverse(char *str);
+char *_itoa(int n, int base);
+char *_uitoa(unsigned int n, int base);
+char *str_up(char *s);
+
+#endif
diff --git a/memset.c b/proven-point/memset.c
similarity index 100%
rename from memset.c
rename to proven-point/memset.c
diff --git a/printf.c b/proven-point/printf.c
similarity index 100%
rename from printf.c
rename to proven-point/printf.c
diff --git a/puts.c b/proven-point/puts.c
similarity index 100%
rename from puts.c
rename to proven-point/puts.c
diff --git a/strcpy.c b/proven-point/strcpy.c
similarity index 100%
rename from strcpy.c
rename to proven-point/strcpy.c
diff --git a/proven-point/strings.c b/proven-point/strings.c
new file mode 100644
index 0000000..7480802
--- /dev/null
+++ b/proven-point/strings.c
@@ -0,0 +1,84 @@
+#include "main.h"
+#include <stdlib.h>
+
+/**
+ * _strlen - Takes string and return its length
+ *
+ * @str: Address to the head of the string (Array of Characters) (Lost btw)
+ *
+ * Return: Length of String
+ */
+int _strlen(const char *str)
+{
+	if (*str)
+		return (1 + _strlen(++str));
+	else
+		return (0);
+}
+
+/**
+ * _contains - gets number of unique identifiers
+ *
+ * @str: da string
+ * @c: basically almost always '%'
+ *
+ * Return: number of unique cases of "%*" that aren't "%%"
+ */
+int _contains(const char *str, char c)
+{
+	if (*str)
+	{
+		if (*str == c && *(str + 1) != c && *(str - 1) != c)
+			return (1 + _contains(str + 1, c));
+		else
+			return (_contains(str + 1, c));
+	}
+	else
+		return (0);
+}
+
+/**
+ * append - shoved character at the end
+ *
+ * @str: main string
+ * @c: character getting shoved
+ *
+ * Return: da string but appended
+ */
+
+char *append(char *str, char c)
+{
+	int len, i;
+	char *new_me;
+
+	len = _strlen(str);
+
+	new_me = malloc(len + 1);
+	i = -1;
+	while (*(str + ++i))
+		*(new_me + i) = *(str + i);
+
+	*(new_me + i++) = c;
+	*(new_me + len + 1) = '\0';
+	return (new_me);
+}
+
+/**
+ * str_up - changes all lowercase letters of a string
+ * to uppercase
+ * @s: string to modify
+ *
+ * Return: the resulting string
+ */
+char *str_up(char *s)
+{
+	int i;
+
+	for (i = 0; s[i] != '\0'; i++)
+	{
+		if (s[i] >= 'a' && s[i] <= 'z')
+			s[i] = s[i] - 32;
+	}
+
+	return (s);
+}
diff --git a/proven-point/tests/a b/proven-point/tests/a
new file mode 100755
index 0000000..11aa41d
Binary files /dev/null and b/proven-point/tests/a differ
diff --git a/tests/append.c b/proven-point/tests/append.c
similarity index 100%
rename from tests/append.c
rename to proven-point/tests/append.c
diff --git a/tests/char_print.c b/proven-point/tests/char_print.c
similarity index 100%
rename from tests/char_print.c
rename to proven-point/tests/char_print.c
diff --git a/tests/chonk.c b/proven-point/tests/chonk.c
similarity index 100%
rename from tests/chonk.c
rename to proven-point/tests/chonk.c
diff --git a/tests/hello.c b/proven-point/tests/hello.c
similarity index 100%
rename from tests/hello.c
rename to proven-point/tests/hello.c
diff --git a/tests/itoa.c b/proven-point/tests/itoa.c
similarity index 100%
rename from tests/itoa.c
rename to proven-point/tests/itoa.c
diff --git a/tests/num_test.c b/proven-point/tests/num_test.c
similarity index 100%
rename from tests/num_test.c
rename to proven-point/tests/num_test.c
diff --git a/tests/puts.c b/proven-point/tests/puts.c
similarity index 100%
rename from tests/puts.c
rename to proven-point/tests/puts.c
diff --git a/tests/str_print.c b/proven-point/tests/str_print.c
similarity index 100%
rename from tests/str_print.c
rename to proven-point/tests/str_print.c
diff --git a/tests/strcpy.c b/proven-point/tests/strcpy.c
similarity index 100%
rename from tests/strcpy.c
rename to proven-point/tests/strcpy.c
diff --git a/tests/strlen.c b/proven-point/tests/strlen.c
similarity index 100%
rename from tests/strlen.c
rename to proven-point/tests/strlen.c
diff --git a/tests/test.sh b/proven-point/tests/test.sh
similarity index 100%
rename from tests/test.sh
rename to proven-point/tests/test.sh
diff --git a/running-out-of-names.c b/running-out-of-names.c
new file mode 100644
index 0000000..84081ca
--- /dev/null
+++ b/running-out-of-names.c
@@ -0,0 +1,154 @@
+#include "main.h"
+
+/**
+ * printf_dec - prints decimal
+ * @args: argument to print
+ * Return: number of characters printed
+ */
+
+int printf_dec(va_list args)
+{
+	int n = va_arg(args, int);
+	int num, last = n % 10, digit;
+	int  i = 1;
+	int exp = 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);
+}
+
+#include "main.h"
+
+/**
+ * printf_oct - prints an octal number.
+ * @val: arguments.
+ * Return: counter.
+ */
+int printf_oct(va_list val)
+{
+	int i;
+	int *array;
+	int counter = 0;
+	unsigned int num = va_arg(val, unsigned int);
+	unsigned int temp = num;
+
+	while (num / 8 != 0)
+	{
+		num /= 8;
+		counter++;
+	}
+	counter++;
+	array = malloc(counter * sizeof(int));
+
+	for (i = 0; i < counter; i++)
+	{
+		array[i] = temp % 8;
+		temp /= 8;
+	}
+	for (i = counter - 1; i >= 0; i--)
+	{
+		_putchar(array[i] + '0');
+	}
+	free(array);
+	return (counter);
+}
+
+/**
+ * printf_hex_aux - prints an hexgecimal number.
+ * @num: arguments.
+ * Return: counter.
+ */
+int printf_hex_aux(unsigned long int num)
+{
+	long int i;
+	long int *array;
+	long int counter = 0;
+	unsigned long int temp = num;
+
+	while (num / 16 != 0)
+	{
+		num /= 16;
+		counter++;
+	}
+	counter++;
+	array = malloc(counter * sizeof(long int));
+
+	for (i = 0; i < counter; i++)
+	{
+		array[i] = temp % 16;
+		temp /= 16;
+	}
+	for (i = counter - 1; i >= 0; i--)
+	{
+		if (array[i] > 9)
+			array[i] = array[i] + 39;
+		_putchar(array[i] + '0');
+	}
+	free(array);
+	return (counter);
+}
+
+/**
+ * printf_hex - prints an hexgecimal number.
+ * @val: arguments.
+ * Return: counter.
+ */
+int printf_hex(va_list val)
+{
+	int i;
+	int *array;
+	int counter = 0;
+	unsigned int num = va_arg(val, unsigned int);
+	unsigned int temp = num;
+
+	while (num / 16 != 0)
+	{
+		num /= 16;
+		counter++;
+	}
+	counter++;
+	array = malloc(counter * sizeof(int));
+
+	for (i = 0; i < counter; i++)
+	{
+		array[i] = temp % 16;
+		temp /= 16;
+	}
+	for (i = counter - 1; i >= 0; i--)
+	{
+		if (array[i] > 9)
+			array[i] = array[i] + 39;
+		_putchar(array[i] + '0');
+	}
+	free(array);
+	return (counter);
+}
diff --git a/special.c b/special.c
new file mode 100644
index 0000000..07f5ec0
--- /dev/null
+++ b/special.c
@@ -0,0 +1,121 @@
+#include "main.h"
+/**
+ * printf_37 - prints the char 37.
+ * Return: 1.
+ */
+int printf_37(void)
+{
+	_putchar(37);
+	return (1);
+}
+
+/**
+ * printf_rot13 - printf str to ROT13 place into buffer
+ * @args: type struct va_arg where is allocated printf arguments
+ * Return: counter
+ */
+int printf_rot13(va_list args)
+{
+	int i, j, counter = 0;
+	int k = 0;
+	char *s = va_arg(args, char*);
+	char alpha[] = {"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"};
+	char beta[] = {"nopqrstuvwxyzabcdefghijklmNOPQRSTUVWXYZABCDEFGHIJKLM"};
+
+	if (s == NULL)
+		s = "(null)";
+	for (i = 0; s[i]; i++)
+	{
+		k = 0;
+		for (j = 0; alpha[j] && !k; j++)
+		{
+			if (s[i] == alpha[j])
+			{
+				_putchar(beta[j]);
+				counter++;
+				k = 1;
+			}
+		}
+		if (!k)
+		{
+			_putchar(s[i]);
+			counter++;
+		}
+	}
+	return (counter);
+}
+
+/**
+ * printf_pointer - prints an hexgecimal number.
+ * @val: arguments.
+ * Return: counter.
+ */
+int printf_pointer(va_list val)
+{
+	void *p;
+	char *s = "(nil)";
+	long int a;
+	int b;
+	int i;
+
+	p = va_arg(val, void*);
+	if (p == NULL)
+	{
+		for (i = 0; s[i] != '\0'; i++)
+		{
+			_putchar(s[i]);
+		}
+		return (i);
+	}
+
+	a = (unsigned long int)p;
+	_putchar('0');
+	_putchar('x');
+	b = printf_hex_aux(a);
+	return (b + 2);
+}
+
+/**
+ * printf_int - prints integer
+ * @args: argument to print
+ * Return: number of characters printed
+ */
+
+int printf_int(va_list args)
+{
+	int n = va_arg(args, 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);
+}
diff --git a/strings.c b/strings.c
index 7480802..7791d05 100644
--- a/strings.c
+++ b/strings.c
@@ -1,84 +1,120 @@
 #include "main.h"
-#include <stdlib.h>
 
 /**
- * _strlen - Takes string and return its length
- *
- * @str: Address to the head of the string (Array of Characters) (Lost btw)
- *
- * Return: Length of String
+ * printf_char - prints a char.
+ * @val: arguments.
+ * Return: 1.
  */
-int _strlen(const char *str)
+int printf_char(va_list val)
 {
-	if (*str)
-		return (1 + _strlen(++str));
-	else
-		return (0);
+	char s;
+
+	s = va_arg(val, int);
+	_putchar(s);
+	return (1);
 }
 
 /**
- * _contains - gets number of unique identifiers
- *
- * @str: da string
- * @c: basically almost always '%'
- *
- * Return: number of unique cases of "%*" that aren't "%%"
+ * printf_bin - prints a binary number.
+ * @val: arguments.
+ * Return: 1.
  */
-int _contains(const char *str, char c)
+int printf_bin(va_list val)
 {
-	if (*str)
+	int flag = 0;
+	int cont = 0;
+	int i, a = 1, b;
+	unsigned int num = va_arg(val, unsigned int);
+	unsigned int p;
+
+	for (i = 0; i < 32; i++)
 	{
-		if (*str == c && *(str + 1) != c && *(str - 1) != c)
-			return (1 + _contains(str + 1, c));
-		else
-			return (_contains(str + 1, c));
+		p = ((a << (31 - i)) & num);
+		if (p >> (31 - i))
+			flag = 1;
+		if (flag)
+		{
+			b = p >> (31 - i);
+			_putchar(b + 48);
+			cont++;
+		}
 	}
-	else
-		return (0);
+	if (cont == 0)
+	{
+		cont++;
+		_putchar('0');
+	}
+	return (cont);
 }
-
 /**
- * append - shoved character at the end
- *
- * @str: main string
- * @c: character getting shoved
- *
- * Return: da string but appended
+ * printf_HEX - prints an hexgecimal number.
+ * @val: arguments.
+ * Return: counter.
  */
-
-char *append(char *str, char c)
-{
-	int len, i;
-	char *new_me;
-
-	len = _strlen(str);
-
-	new_me = malloc(len + 1);
-	i = -1;
-	while (*(str + ++i))
-		*(new_me + i) = *(str + i);
-
-	*(new_me + i++) = c;
-	*(new_me + len + 1) = '\0';
-	return (new_me);
-}
-
-/**
- * str_up - changes all lowercase letters of a string
- * to uppercase
- * @s: string to modify
- *
- * Return: the resulting string
- */
-char *str_up(char *s)
+int printf_HEX(va_list val)
 {
 	int i;
+	int *arr;
+	int counter = 0;
+	unsigned int num = va_arg(val, unsigned int);
+	unsigned int temp = num;
 
-	for (i = 0; s[i] != '\0'; i++)
+	while (num / 16 != 0)
 	{
-		if (s[i] >= 'a' && s[i] <= 'z')
-			s[i] = s[i] - 32;
+		num /= 16;
+		counter++;
 	}
+	counter++;
+	arr = malloc(counter * sizeof(int));
 
-	return (s);
+	for (i = 0; i < counter; i++)
+	{
+		arr[i] = temp % 16;
+		temp /= 16;
+	}
+	for (i = counter - 1; i >= 0; i--)
+	{
+		if (arr[i] > 9)
+			arr[i] = arr[i] + 7;
+		_putchar(arr[i] + '0');
+	}
+	free(arr);
+	return (counter);
+}
+
+#include "main.h"
+
+/**
+ * printf_HEX_aux - prints an hexdecimal number.
+ * @num: number to print.
+ * Return: counter.
+ */
+int printf_HEX_aux(unsigned int num)
+{
+	int i;
+	int *arr;
+	int counter = 0;
+	unsigned int temp = num;
+
+	while (num / 16 != 0)
+	{
+		num /= 16;
+		counter++;
+	}
+	counter++;
+	arr = malloc(counter * sizeof(int));
+
+	for (i = 0; i < counter; i++)
+	{
+		arr[i] = temp % 16;
+		temp /= 16;
+	}
+	for (i = counter - 1; i >= 0; i--)
+	{
+		if (arr[i] > 9)
+			arr[i] = arr[i] + 7;
+		_putchar(arr[i] + '0');
+	}
+	free(arr);
+	return (counter);
 }
diff --git a/strs2.c b/strs2.c
new file mode 100644
index 0000000..b36c75b
--- /dev/null
+++ b/strs2.c
@@ -0,0 +1,122 @@
+#include "main.h"
+/**
+ * _strlen - Returns the lenght of a string.
+ * @s: Type char pointer
+ * Return: c.
+ */
+int _strlen(char *s)
+{
+	int c;
+
+	for (c = 0; s[c] != 0; c++)
+		;
+	return (c);
+
+}
+/**
+ * _strlenc - Strlen function but applied for constant char pointer s
+ * @s: Type 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: argumen t.
+ * 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);
+}