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diff --git a/Fundamental_of_Computing_and_Programming_in_C/Chapter14.ipynb b/Fundamental_of_Computing_and_Programming_in_C/Chapter14.ipynb deleted file mode 100755 index 12a1734c..00000000 --- a/Fundamental_of_Computing_and_Programming_in_C/Chapter14.ipynb +++ /dev/null @@ -1,234 +0,0 @@ -{ - "metadata": { - "name": "", - "signature": "sha256:44f5daf77255992c95710d94f062b0f1f1e981b9e6cce07f23ed45a322c4b130" - }, - "nbformat": 3, - "nbformat_minor": 0, - "worksheets": [ - { - "cells": [ - { - "cell_type": "heading", - "level": 1, - "metadata": {}, - "source": [ - "Chapter 14 : Accessing Variable through Pointers" - ] - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example: 1, Page Number: 5.107 " - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#Program to accessing through variable pointer\n", - "\n", - "from ctypes import c_int\n", - "\n", - "#Local definition\n", - "a = 22\n", - "a = c_int(a) # ctype datatype declaration\n", - "\n", - "b = 2.25\n", - "b = c_float(b) # ctype datatype declaration\n", - "\n", - "#Pointer variables\n", - "a_po=pointer(a)\n", - "b_po=pointer(b)\n", - "\n", - "# 'id' is a address of letter and it represents the address of the variable\n", - "a = id(a)\n", - "b = id(b)\n", - "\n", - "\n", - "#Result\n", - "print \"\\nValue of a = %d\" %a_po[0]\n", - "print \"\\nValue of b = %.2f\" %b_po[0]\n" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "\n", - "Value of a = 22\n", - "\n", - "Value of b = 2.25\n" - ] - } - ], - "prompt_number": 9 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example: 2, Page Number: 5.108" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#Program to print address and value of variable\n", - "\n", - "from ctypes import c_int\n", - "\n", - "#Local definition\n", - "a = 22\n", - "a = c_int(a) # ctype datatype declaration\n", - "\n", - "#Pointer variables\n", - "a_po=pointer(a)\n", - "\n", - "# 'id' is a address of letter and it represents the address of the variable\n", - "a = id(a)\n", - "\n", - "#Result\n", - "print \"\\n Value of a = %d\" %a_po[0]\n", - "print \"\\n Address of a = %u\" %id(a)\n", - "print \"\\n Value at address %u = %d\" %(id(a),a_po[0])\n" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "\n", - " Value of a = 22\n", - "\n", - " Address of a = 4344066728\n", - "\n", - " Value at address 4344066728 = 22\n" - ] - } - ], - "prompt_number": 8 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example: 3, Page Number: 5.108" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "# Program to print value and address of variable\n", - "\n", - "from ctypes import c_int\n", - "\n", - "#Local definition\n", - "a = 22\n", - "b = c_int(a) # ctype datatype declaration\n", - "\n", - "#Pointer variable\n", - "b_po=pointer(b)\n", - "\n", - "# 'id' is a address of letter and it represents the address of the variable\n", - "b = id(a)\n", - "\n", - "#Result\n", - "print \"\\n Value of a = %d\" %a\n", - "print \"\\n Value of a = %d\" %(c_int(a).value)\n", - "print \"\\n Value of a = %d\" %b_po[0]\n", - "print \"\\n Address of a = %u\" %id(a)\n", - "print \"\\n Address of a = %u\" %b\n", - "print \"\\n Address of a = %u\" %id(b)\n", - "print \"\\n Value of b = address of a = %u\" %b" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "\n", - " Value of a = 22\n", - "\n", - " Value of a = 22\n", - "\n", - " Value of a = 22\n", - "\n", - " Address of a = 4298180848\n", - "\n", - " Address of a = 4298180848\n", - "\n", - " Address of a = 4344066728\n", - "\n", - " Value of b = address of a = 4298180848\n" - ] - } - ], - "prompt_number": 10 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example: 4, Page Number: 5.109" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "#Program to illustrate pointer to pointer\n", - "\n", - "from ctypes import c_int\n", - "\n", - "#Local definition\n", - "a = 22\n", - "b = c_int(a) # ctype datatype declaration\n", - "c = c_int(a) # ctype datatype declaration\n", - "\n", - "#Pointer variable\n", - "b_po = pointer(b)\n", - "c_po = pointer(b_po) # c_po is a pointer to another pointer\n", - "\n", - "# 'id' is a address of letter and it represents the address of the variable\n", - "b = id(a)\n", - "c = id(b)\n", - "\n", - "#Result\n", - "print \"\\n Value of a is %d\" %a\n", - "print \"\\n Value of a is %d\" %(c_int(a).value)" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "\n", - " Value of a is 22\n", - "\n", - " Value of a is 22\n" - ] - } - ], - "prompt_number": 14 - } - ], - "metadata": {} - } - ] -}
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