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C Programming Code Examples

C > File Operations Code Examples

Copy a file in four debug level

C++ Coding Generating Random Numbers - Following C++ program generate 100 random numbers using rand() function of stdlib.h. To generate random numbers in C++, we use the function rand() to generate and print random

C++ Checks if an Undirected Graph is Tree - C++ Program to check whether an undirected 'graph is tree' or not. Graph is tree if it doesn't contain cycles. A recursive function that uses visited[] & parent to detect cycle in subgraph

C++ Language Open and Read File Source - C++ program opens a file named filename.txt to read the content present inside this file, if there is an error in opening a file then puts a message on the screen for the "error", and if

C Language and Vertical Histogram Code - C program code Vertical Histogram. Define Maximum length of a word. Define Maximum No of words in a sentence. Excluding the space in the word length. Resetting the word

Converts Hexadecimal to Binary Numbers - Hexadecimal to Binary conversion is divided in 3 steps. Extract each hex digits separately. Find the Binary of each extracted Hex digit. Store the binary equivalent of extracted hex

Checking Whether Number is Even or Odd - In this example, if...else statement is used to check whether a number entered by the user is "even or odd". Integers which are perfectly "divisible by 2" are called even numbers. And

C++ Finding Median of Two Sorted Arrays - Program find the 'median' of elements where elements are stored in 2 'different arrays'. We need to find 'combined' median of 2 different 'data set'. So it includes sorting of both arrays

Program Shows & Opens "Send to" folder - C++ program that opens the "Send to" folder. The "Location of this folder" can be obtained from SHGetSpecialFolderLocation(). Then sf tries to convert the Item Identifier to a string