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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);
+}