{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [],
   "source": [
    "#include <stdio.h>\n",
    "\n",
    "void CopyByValue(int num1, int num2);\n",
    "void CopyByAddress(int *num1, int *num2);\n",
    "\n",
    "int main()\n",
    "{\n",
    "    int a, b;\n",
    "    a = 10;\n",
    "    b = 20;\n",
    "    \n",
    "    printf(\"initially a: %d, b:\\n\", a, b);\n",
    "\n",
    "    CopyByValue(a, b);\n",
    "    printf(\"After copy by value a: %d, b:\\n\", a, b);\n",
    "\n",
    "    CopyByAddress(&a, &b);\n",
    "    printf(\"After copy by Address a: %d, b:\\n\", a, b);\n",
    "\n",
    "    return 0;\n",
    "}\n",
    "\n",
    "void CopyByValue(int num1, int num2)\n",
    "{\n",
    "    a = 20;\n",
    "    b = 30;\n",
    "    printf(\"copy by value a: %d, b: %d\\n\", a, b);\n",
    "}\n",
    "\n",
    "void CopyByAddress(int *num1, int *num2)\n",
    "{ \n",
    "    *a = 40;\n",
    "    *b = 50;\n",
    "    printf(\"copy by address a: %d, b: %d\\n\", *a, *b);\n",
    "}"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "address of x: 0x7ffee1df51db\n",
      "address of p1: 0x7ffee1df51db\n",
      "address of p2: 0x0\n",
      "address p1 is pointing: a\n",
      "value of y: a\n"
     ]
    }
   ],
   "source": [
    "#include <stdio.h>\n",
    "\n",
    "int main()\n",
    "{\n",
    "    char x = 'a', y;\n",
    "    char *p1, *p2;\n",
    "    \n",
    "    p1 = &x;\n",
    "    y = *p1;\n",
    "    p2 = NULL;\n",
    "    \n",
    "    printf(\"address of x: %p\\n\", &x);\n",
    "    printf(\"address of p1: %p\\n\", p1);\n",
    "    printf(\"address of p2: %p\\n\", p2);\n",
    "    printf(\"address p1 is pointing: %c\\n\", *p1);\n",
    "    printf(\"value of y: %c\\n\", y);\n",
    "    \n",
    "    return 0;\n",
    "}"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "#include <stdio.h>\n",
    "\n",
    "int main()\n",
    "{\n",
    "    int i = 10;\n",
    "    float j = 10.00;\n",
    "    char k = 'A';\n",
    "    long l = 1234567890;\n",
    "    double m = 123456789.987654321;\n",
    "\n",
    "    int *ptr1 = &i;\n",
    "    float *ptr2 = &j;\n",
    "    char *ptr3 = &k;\n",
    "    long *ptr4 = &l;\n",
    "    double *ptr5 = &m;\n",
    "    \n",
    "    printf(\"int: %u, float: %u, char: %u, long: %u, doubel %u\\n\",\n",
    "                    ptr1, ptr2, ptr3, ptr4, ptr5);\n",
    "    \n",
    "    ptr1++;\n",
    "    ptr2++;\n",
    "    ptr3++;\n",
    "    ptr4++;\n",
    "    ptr5++;\n",
    "    \n",
    "    printf(\"int: %u, float: %u, char: %u, long: %u, doubel %u\\n\",\n",
    "                    ptr1, ptr2, ptr3, ptr4, ptr5);\n",
    "    \n",
    "    return 0;\n",
    "}"
   ]
  }
 ],
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  "kernelspec": {
   "display_name": "C",
   "language": "c",
   "name": "c"
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   "file_extension": ".c",
   "mimetype": "text/plain",
   "name": "c"
  }
 },
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 "nbformat_minor": 2
}