C Programming Tutorials

C Programming Tutorials And Articles
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Implementation os some some elementary operations like insert, delete, search on doubly circular linked list. #include <stdio.h> #include <conio.h> #include <stdlib.h> #include <string.h> #define N 100 struct dclinklist {
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This is the code I wrote in my college days and dont quote me on this if something does not go as expected. #include<stdio.h> #include<ctype.h> #include<conio.h> void main() { int c,i,letter;
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A Program to check whether entered matrix is symmetric or not. #include<stdio.h> #include<conio.h> main() { int a,at,k,i,j,m,n; clrscr(); printf("enter the order of matrix"); scanf("%d %d",&m,&n);
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Hello to one & all, I did a little bit of programming this weekend (I got myself a new Xbox 360!) .... but not satisfied with the Gaming monolith, I decided to do some game programming myself. So, I implemented that very famous game played by everyone who had access to a computer in the early 90's...
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Mostly people are using this algorithm to compute matrix multiplication: #define n 1000 int main() { int a,b,c; c=0; for( i=0;i<n;++i) {
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Huffman encoding is a compression technique used to compress data for transmission.This program takes string as input from user and shows its encoded form as output with some intermediate outputs as well. The purpose of it is to reduce the number of bits used for each character for its transmission...
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A running instance of a program executable is known as a Process. A process when run can do various things like open some files, read/write some data, create some threads/processes, register some functions as callback in various scenarios etc. According to the logic, after the completion of the...
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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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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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Difference between arrays and pointers? What is the purpose of realloc( )? What is static memory allocation and dynamic memory allocation? How are pointer variables initialized? Are pointers integers?
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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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Introduction In this i have made use of recursion to calculate x to the power n #include <stdio.h> main() {
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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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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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In a language like 'C', the programmer has almost complete control over memory operations but this brings in a problem that many of you might have faced : Memory errors. Although GDB can be used in many areas of these kind of problems but there are sometimes when programmer doesn't want to put too...
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In this article I'm going to show you how to change value of variable during run time. There are many tools around how to do this easily, but I will focus on the way doing it programatically, specifically using C language. Tools I will use: Cheat Engine 6.0 Here is a simple code for login, I...
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I recently faced a problem regarding these 2 Escape Sequences. So, I thought I should share the difference between these two to clarify to all who may hay have confusion like me. Thanks to Shabbir too...... The Difference There are a few characters which can indicate a new line. The usual...
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Introduction This article talks about some general tips while using pointers in an Application. Background While working with different kinds of errors, generally detecting an error is easier than fixing it. When it comes to pointer, the error is usually the result of a pointer pointing...
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Typecasting is simply a mechanism by which we can change the data type of a variable, no matter how it was originally defined. When a variable is typecasted into a different type, the compiler basically treats the variable as of the new data type. Example Lets go for a very simple example : ...
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This article assumes that readers are aware of what pointers are and how they are used in 'C'. As a quick overview, A pointer is a special variable which holds the address of a variable of same type. For example : Lets say there is a variable 'int a=10' so,a pointer to variable 'a' can be...
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