In this tutorial, you'll learn about the standard library functions in C. More specifically, what are they, different library functions in C and how to use them in your program.

A function is a block of code that performs a specific task. In this tutorial, you will be introduced to functions (both user-defined and standard library functions) in C programming. Also, you will …

Library functions are the built-in functions in C++ programming. Programmers can use library functions by invoking the functions directly; they don't need to write the functions themselves. …

The C++ standard library provides a large number of library functions (under different header files) for performing common tasks. Certification courses in Python, Java, SQL, HTML, CSS, …

In this tutorial, you will learn to use the strcpy() function in C programming to copy strings (with the help of an example).

[Mathematics] √x = sqrt(x) [In C Programming] The sqrt() function is defined in math.h header file. To find the square root of int , float or long double data types, you can explicitly convert the …

In C programming, isalpha() function checks whether a character is an alphabet (a to z and A to Z) or not. If a character passed to isalpha() is an alphabet, it returns a non-zero integer, if not it …

The pow() function takes two arguments (base value and power value) and, returns the power raised to the base number. For example, [Mathematics] x y = pow(x, y) [In programming] The …

Example: C strlen() function #include <stdio.h> #include <string.h> int main() { char a[20]="Program"; char b[20]={'P','r','o','g','r','a','m','\0'}; // using the %zu format specifier to print …

In this tutorial, you'll learn about strings in C programming. You'll learn to declare them, initialize them and use them for various I/O operations with the help of examples. Certification courses …