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Adding the pieces together to make a complete language - C

Once we've covered the fundamentals of programming on a C course, we move on to cover pointers, arrays, structures, strings, input/output, and dynamic memory allocation. We teach and illustrate each of them, and we have our delegates write practical exercises to make sure that they have a grasp of the concepts, and are aware of the common pitfalls.

But a language like C is really all about the COMBINATION of all the factors, and long after the course would normally have concluded yesterday evening, I wrote a "pull it all together" example in front of the group - reading an unknown number of records from a file (so we had to use the dynamic memory stuff), and forming each of the records into s structure in that dynamic memory. We then called functions to analyse and extract the information from the structures and report it back to the user of the program. Full source code [here].

The example ... (not really a surprise) ... will lead us nicely into object orientation, and C++, which I'll be tackling with the same group and others from 9 O'Clock this morning; OO can be a really tricky concept to see in practical examples early in learning as it's a system / technique that's really good for larger projects, but examples such as the one I'm using this week ease it naturally in!

To learn about our C and C++ course range, see [here].
(written 2011-08-11)

 
Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles
C207 - C and C based languages - Pointers and references
  [4128] Allocating memory dynamically in a static language like C - (2013-06-30)
  [3399] From fish, loaves and apples to money, plastic cards and BACS (Perl references explained) - (2011-08-20)
  [3242] How to return 2 values from a function (C++ and C) - more uses of pointers - (2011-04-10)
  [3238] Bradshaw, Ben and Bill. And some C and C++ pointers and references too. - (2011-04-09)
  [3121] New year, new C Course - (2011-01-05)
  [3004] Increment operators for counting - Perl, PHP, C and others - (2010-10-18)
  [2670] Pointers to Pointers to Pointers - what is the point? - (2010-03-10)
  [2572] The what and why of C pointers - (2010-01-13)
  [2005] Variables and pointers and references - C and C++ - (2009-01-23)
  [1497] Training Season Starts again! - (2008-01-07)
  [1478] Some new C programming examples - files, structs, unions etc - (2007-12-19)
  [1155] Pointers in C - (2007-04-19)

C209 - C and C based languages - Structures and Unions
  [3145] Structures v Structure Pointers in C. How, which, why. - (2011-01-25)
  [3122] When is a program complete? - (2011-01-06)
  [2573] C Structs - what, how and why - (2010-01-13)
  [1669] What are Unions (C programming) - (2008-06-08)
  [1584] Using Structs and Unions together effectively in C - (2008-03-21)
  [1572] C - structs and unions, C++ classes and polymorphism - (2008-03-13)

C210 - C and C based languages - File Handling
  [4340] Simple C structs - building up to full, dynamic example - (2014-12-03)
  [4339] Command line and file handling in C - (2014-12-03)
  [2571] Reading and writing files in C - (2010-01-12)
  [2002] New C Examples - pointers, realloc, structs and more - (2009-01-20)

C212 - C and C based languages - Memory Management
  [3416] Storing Tcl source code encoded, and running via your own C program - (2011-09-02)
  [3144] Setting up arrays in C - fixed size at compile time, or dynamic - (2011-01-24)
  [3118] Arrays of arrays - or 2D arrays. How to program tables. - (2011-01-02)
  [2848] C course - final course example puts it all together - (2010-07-02)
  [2669] Efficient use of dynamic memory - C and realloc - (2010-03-10)
  [1845] Passing a table from Lua into C - (2008-10-18)
  [1670] Dynamic Memory Allocation in C - (2008-06-09)
  [1589] Dynamic Memory Allocation in C - calloc, realloc - (2008-03-22)
  [1581] What is an lvalue? (Perl, C) - (2008-03-18)


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This is a page archived from The Horse's Mouth at http://www.wellho.net/horse/ - the diary and writings of Graham Ellis. Every attempt was made to provide current information at the time the page was written, but things do move forward in our business - new software releases, price changes, new techniques. Please check back via our main site for current courses, prices, versions, etc - any mention of a price in "The Horse's Mouth" cannot be taken as an offer to supply at that price.

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