C Programming Tutorials

C Programming Tutorials And Articles
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If you are a developer then you would definitely be aware of the concept of temporary files. Temporary files, as the name suggest is temporary in its persistence. Either a process creates a temporary file to hold data for certain time or to pass information to another process. An ideal process...
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Queue implementation using linked list #include <stdio.h> #include <conio.h> #include <stdlib.h> /***** Structure template *****/ struct list{ char data; struct list *next; };
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I am attaching a ZIP file that contains a Quiz Making and Participating program. You MUST donwload the ZIP and run the exe. The source code given below would not be sufficient enough. As of Right now, only the participating side is completed - Files are created for individual teams and all their...
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The other day, I just had this thought of exhausting the R.A.M. of my ailing, old P.C. in the hopes that it may trigger off a cataclysmic crash which would render it useless :happy: (so that I finally get that brand new mega-system P.C. which I so yearn! :D ) So I set out to write this program...
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There are times when you write a small or a big code and when you execute it you get a very small and precise output 'Segmentation fault'. In a small piece of code its still easy to debug the reason for this but as the code size grows it becomes very difficult to debug. Here in this article, I am...
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Introduction In this i have made use of recursion to calculate x to the power n #include <stdio.h> main() {
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As the topic says, self printing programs are nothing but they reproduce themselves as output. Such programs are referred as Quines from the name of the logician Willard van Orman Quine who introduced the concept. I said an 'Ah!!!' when I heard about Quines for first time, spent more hours to...
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Listed here are few common complex operations of single linked list that is to be needed by certain applications. These operations should be done in single traversal for improved performance. Here are few of them and their solutions.. 1. Reverse the list. 2. Find n-th node from tail end....
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C Program to solves linear programming problem or LPP by "SIMPLEX" and "DUAL SIMPLEX" method. The code Simplex Method Code #include <stdio.h> #include <conio.h> #define INFINITY 999 #define N 3
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Note: This article is a continuation to my previous article on Variables in C , I suggest a glance over it before proceeding . In that article I talked about some C data types, Different types of keywords to declare some variables constants etc. In this tutorial we’ll be know why actually we...
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Today we will discuss about Sockets programming paradigm, elements of Sockets applications, and the Sockets API. The Sockets API allows to develop applications that communicate over a network. The network can be a local private network or the public Internet. An important item about Sockets...
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What is a socket? See there are many types of sockets hardware sockets “like electrical sockets” etc. and software “programming sockets” like what i'm going to talk about from now onwards. See , a socket can be thought like any standard way to perform network communication through our system...
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There are a certain functions in C, which if used in a particular combination may cause problems. These problems are due to the conflicting behaviors of the functions. In this article, we will understand the problem caused by using one such combination of functions scanf() and fgets()/gets(). ...
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Stack is a LIFO abstract type of data structure. The stack is mainly associated with 2 types of functions Push() and Pop(). Push() adds an item on the top of the stack and Pop() removes an item from the top of the stack. Implementation of Stack stack.c #include<stdio.h> #include<string.h>...
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Memory Segment Whenever U create a program and load it on a CPU ie executing UR program. It loads a Process Page on the virtual memory of UR system.That Process page will be mapped to UR Task Struct which will be in UR Process Control Block PCB. ...
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EIP ( Extended Instruction Pointer ) is a register that points to the next instruction...It simply points to the address in which that instruction is placed...So if we overwrite this we can change the direction flow of the program and make it do what we want.... In other words if we overwrite...
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Stack memory Let's suppose there is nothing on the stack to begin with. One of the functions either the calling function or the called function depending on the calling convention would start a stack. Lets take a very simple C / C++ program to see how things would work. int func(int i) {...
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Strings are paramount datatype for any real use case scenario. However, in C, there is no basic datatype as ‘string’. A string is understood as a collection set of characters i.e. in programmatic language, an array of characters, which are: Directly assigned in double quotes Terminated by a...
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The code below swaps two nodes in the linked list. The swap operation can be helpful in sorting a linked list and so its very important how to swap the nodes of linked list. Swapping in normal arrays is swap of the data but in linked list its the pointers change and so there is just change in...
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The code to swap two variables using macro expansions #include<stdio.h> #include<conio.h> #define SWAPE(x,y) int t;t=x;x=y;y=t; main() { int a,b;
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