For 2021 - online Python 3 training - see ((here)).
Our plans were to retire in summer 2020 and see the world, but Coronavirus has lead us into a lot of lockdown programming in Python 3 and PHP 7. We can now offer tailored online training - small groups, real tutors - works really well for groups of 4 to 14 delegates. Anywhere in the world; course language English.
Please ask about private 'maintenance' training for Python 2, Tcl, Perl, PHP, Lua, etc. |
Simple C structs - building up to full, dynamic example
During the final day of our "Learning to program in C" course - today - we built up an example that introduced structs, then added dynamic memory allocation so that we ended up with a flexible program capable of taking an unlimited amount of data. The build up examples also show (in the last program) reading of data from a file, tokenising a string, and extracting numbers from the various fields.
[link] to Simple demonstation of a structure
[link] to Copying Strings in and out of a structure
[link] to An Array of Structures
[link] to Structure Pointers
[link] to Dynamic allocation of memory for structs
[link] to Dynamic allocation for struct and struct pointers, and populating from file
[link] to Data for final example (written 2014-12-03)
Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles C212 - C and C based languages - Memory Management [1497] Training Season Starts again! - (2008-01-07) [1581] What is an lvalue? (Perl, C) - (2008-03-18) [1589] Dynamic Memory Allocation in C - calloc, realloc - (2008-03-22) [1670] Dynamic Memory Allocation in C - (2008-06-09) [1845] Passing a table from Lua into C - (2008-10-18) [2669] Efficient use of dynamic memory - C and realloc - (2010-03-10) [2848] C course - final course example puts it all together - (2010-07-02) [3118] Arrays of arrays - or 2D arrays. How to program tables. - (2011-01-02) [3144] Setting up arrays in C - fixed size at compile time, or dynamic - (2011-01-24) [3386] Adding the pieces together to make a complete language - C - (2011-08-11) [3416] Storing Tcl source code encoded, and running via your own C program - (2011-09-02) [4128] Allocating memory dynamically in a static language like C - (2013-06-30) [4634] Regression testing - via a very short C testing framework - (2016-01-29) [4635] Encapsulating logic in functions and structs - the C approach to Object Oriented techniques - (2016-01-30) C210 - C and C based languages - File Handling [2002] New C Examples - pointers, realloc, structs and more - (2009-01-20) [2571] Reading and writing files in C - (2010-01-12) [2572] The what and why of C pointers - (2010-01-13) [3122] When is a program complete? - (2011-01-06) [4339] Command line and file handling in C - (2014-12-03) C206 - C and C based languages - Character Strings [1338] Handling Binary data in Tcl (with a note on C) - (2007-09-09) [2843] String functions in C - (2010-06-30) [2844] Learning about Regular Expressions in C through examples - (2010-06-30) [3146] Strings in C - (2011-01-25) [3593] Chars, char arrays and strings in C. Some early cautions and pitfalls. - (2012-01-26) [3718] Splitting a record into individual data values in C - (2012-05-04) [4556] Strings in C - strncmp strncpy and friends - (2015-10-27) [4633] String handling in C - new examples of extracting integers from a string - (2016-01-27)
Some other Articles
Python base and inherited classes, test harness and unit testing - new examplesPolitics and the railway the connects WiltshireMy first official measure - Passenger Entrys and Exits - revisited 9 years laterSegmentation Fault, Segmentation Violation, Bus Error, Stack Smashing Simple C structs - building up to full, dynamic examplePassing arrays into functions in CLearning to program sample program - past its prime, but still usefulTest Driven Development - a first example of principle in CFlexible public courses - residential or commuting, programming newcomer or experienced, C or C++
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This is a page archived from The Horse's Mouth at
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