C-Library

133+ posts

Last Updated: 18 July 2024

The ilogb() function in C is a part of the standard math library math.h. It is used to compute the binary exponent of a floating-point number, which is the exponent of the...read more

nextafter() Function in C

Last Updated: 17 July 2024

In C, the nextafter() is a standard library function that is used to find the next representable floating-point value after a given number in the direction of another spec...read more

C Language

C-Functions

C-Library

copysign() Function in C

Last Updated: 17 July 2024

The copysign() function in C is part of the standard math library math.h and is used to create a floating-point number that combines the magnitude of one number with the s...read more

Last Updated: 16 July 2024

The fdim() function in C is part of the standard math library math.h and is used to compute the positive difference between two floating-point numbers. This function is pa...read more

scalbn() Function in C

Last Updated: 17 July 2024

The scalbn() function in C is part of the standard math library math.h and is used to scale a floating-point number by an integral power of the base (2 raised to the expon...read more

remquo() Function in C

Last Updated: 10 July 2024

The remquo() function in C is part of the standard math library math.h and is used to compute the remainder and part of the quotient of the division of two floating-point ...read more

How to Create a Static Library in C?

Last Updated: 11 July 2024

In C, we can create our own libraries that contains the code for the functions or macros that we may need very often. These libraries can be then used in our programs. In...read more

Last Updated: 10 November 2022

islower() function is used to check whether a character is a lowercase letter or not. It is a standard library function defined in the ctype.h header file.Syntax:int islow...read more

C Language

C-Functions

C-Library

C Library Function - putc()

Last Updated: 24 July 2026

The putc() function writes a single character to the specified output stream. It is a standard library function declared in the stdio.h header file.Writes one character to...read more

Last Updated: 31 July 2026

A header file in C is a .h file that contains declarations of functions, macros, constants, data types, and other reusable definitions. It is included in a program using t...read more

Last Updated: 29 May 2026

Header files in C++ contain reusable declarations such as functions, classes, variables, and macros. They help organize programs, improve code reusability, and make large ...read more

C++

CPP-Library

C-Library

std::string::crbegin() and std::string::crend() in C++ with Examples

Last Updated: 10 July 2022

std::string::crbegin()The std::string::crbegin() is a string class built-in function that returns a constant reverse iterator referring to the last element in the string. ...read more

std::string::rfind in C++ with Examples

Last Updated: 16 July 2026

The std::string::rfind() function is a member of the std::string class defined in the string header. It searches a string in the reverse direction to locate the last occur...read more

C++

C-Library

cpp-strings

<complex.h> header file in C with Examples

Last Updated: 12 July 2025

Most of the C Programs deals with complex number operations and manipulations by using complex.h header file. This header file was added in C99 Standard. C++ standard libr...read more

C Language

C-Library

<cfloat> float.h in C/C++ with Examples

Last Updated: 12 August 2026

The float.h header file in C defines platform-dependent and implementation-specific characteristics of floating-point types. These macros provide information about the pre...read more

C++

CPP-Library

C-Library

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