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C Programming Code Examples

C > File Operations Code Examples

C Program to Read last n characters from the file !





Allocates Sufficient Memory for an Array - C Programming language code example to Allocates sufficient memory for an array of num objects of size size. Return: Returns a pointer to the first byte of the allocated...

Code find power of number using for loop - C program to find power of a number using for loop. Input base and exponents from user. Store it in two variables say base and expo. Declare & initialize another variable to store

A destructor is a Special Member Function - In C++, Name should begin with tilde sign(~) and must match class name. There cannot be more than one "Destructor" in a class. Unlike "constructors" that can have parameters, and

C Code Reads a Number of Objects by Size - Reads a number of objects by size and stores them in buf. C programming code returns the number of items actually read. Get open a file and read. If there is an error give a message.

Function strncpy Copies First n Characters - If 'Length of str2' > n then it just copies first n characters of str2 into str1. If Length of str2 < n then it 'copies' all the characters of str2 into str1 & appends several 'terminator' chars('\0')

Qsort Sort [array of pointers to structures] - Code compare function for qsort. Add ONE element to the array. Allocate memory for ONE 'struct node'. Copy the data into the new element ( structure ). Qsort array of...

The C++ Implementation for Binary Heap - Capacity is the capacity of the "binary heap". Duplicates are allowed. "Throw Overflow" if container is full. Find the smallest item in the "priority queue". Return the smallest item, or

Using Binary Search Technique & Displays - To perform "Binary Search" in 'C++', enter the array size, enter the array elements. Now ask to enter an element that is going to be search to "start searching" that element using binary