C++ Articles - Page 682 of 717

The following are some of C++ IDEs for linux − Eclipse Galileo with CDT Plugin Eclipse is a well-known open source and cross platform IDE. It provides full functional C/C++ IDE with the following features − Code editor with support for syntax highlighting Support for folding and hyperlink navigation Source code refactoring plus code generation Tools for visual debugging such as memory, registers etc. NetBeans IDE NetBeans is free, open source and popular IDE for C/C++. These are some of its features − Support for automatic packaging of compiled application into .tar, .zip and many more archive ... Read More

In C/C++, char represents a single character, whereas int is an integer that can store both positive and negative values, but not fractional or decimal values. If you are given a character and want to convert it into an integer, it is easy and can be achieved with the different approaches. In this article, we will learn how we can convert a given character to an integer with different approaches. The following are some of the ways to convert a character to an integer: Using sscanf() Function Using atoi() Function ... Read More

The preprocessor directive #pragma is used to provide the additional information to the compiler in C/C++ language. This is used by the compiler to provide some special features.Here is the syntax of #pragma directive in C/C++ language, #pragma token_nameThe table of some of #pragma directives in C/C++ language is given as follows, Sr.No.#pragma Directives & Description1#pragma startupBefore the execution of main(), the function specified in pragma is needed to run.2#pragma exitBefore the end of program, the function specified in pragma is needed to run.3#pragma warnUsed to hide the warning messages.4#pragma GCC dependencyChecks the dates of current and other file. If ... Read More

In C programming, when you pass an array by value, you are not sending the entire array. Instead of this, it passes a pointer to the first element. So, this shows functions directly work with an original array but do not copy. Note: If we make any changes to the array element, those changes will be reflected in the original array outside the function as well. Syntax There are two syntaxes for passing an array by value as follows: i. The syntax of array notation for passing array to function. void function_name(data_type array_name[], int size) { // Function ... Read More

There can be multiple ways to reverse a string in C and C++. In this article, we will learn reversing a string using different approaches with the appropriate examples. Consider the below example with input and output scenarios: Input // characters representation from left to right inp = "Tutorialspoint" Output // characters representation from right to left out = tniopslairotuT Now, we have following approaches to solve the reverse of a given approach: Using Two Pointer Using reverse() Function Using strlen() Function Reverse String ... Read More

In C, character arithmetic is defined by char data type. This is used to implement arithmetic operations like addition and subtraction on characters in C language. It is used to manipulate the strings. When the characters are used with the arithmetic operations, it converts them into integer value automatically i.e. ASCII value of characters. Understanding Characters Represention To understand the character represented using char data type then learn the ASCII value (integer) of each character. Some values are provided for the references such as, 'A' has an ASCII value of 65 'B' has an ASCII value of 66 'a' has ... Read More

Here is the program to convert a string to uppercase in C language,Example Live Demo#include #include int main() {    char s[100];    int i;    printf("Enter a string : ");    gets(s);    for (i = 0; s[i]!='\0'; i++) {       if(s[i] >= 'a' && s[i] = 'a' && s[i] = 'A' && s[i] = 'A' && s[i]

In C/C++, an input buffer is a temporary storage area where the program processes the input. Suppose, you are an user and you type some characters using a keyboard but those characters are not passed to the program directly because it involves several layers of handling such as keyboard firmware, OS input queues, and event processing. So, they first proceed with the collection of an input buffer. Next, when the program is ready, it reads from the buffer. How Input Buffer Affects a Program? The input buffer affected to the program when we are using the functions like scanf() or ... Read More

In C language, header files contain the set of predefined standard library functions. The "#include" preprocessing directive is used to include the header files with ".h" extension in the program. Here is the table that displays some of the header files in C language, Sr.No. Header Files & Description 1 stdio.hInput/Output ... Read More

stdio.hThe header file stdio.h stands for Standard Input Output. It has the information related to input/output functions.Here is the table that displays some of the functions in stdio.h in C language, Sr.No.Functions & Description1printf()It is used to print the strings, integer, character etc on the output screen.2scanf()It reads the character, string, integer etc from the keyboard.3getc()It reads the character from the file.4putc()It writes the character to the file.5fopen()It opens the file and all file handling functions are defined in stdio.h header file.6fclose()It closes the opened file.7remove()It deletes the file.8fflush()It flushes the file.Here is an example of stdio.h in C language, ... Read More