The C Standard Library is a reference for C programmers to help them in their projects related to system programming. All the C functions have been explained in a user-friendly way and they can be copied …

The C library <stdbool.h> header supports the bool data types. The bool can store the value as true (0) or false (1) which is common requirement in various programming languages.

The math.h header defines various mathematical functions and one macro. All the functions available in this library take double as an argument and return double as the result.

Library functions are built-in functions that are grouped together and placed in a common location called library. Each function here performs a specific operation.

The stdlib.h header defines four variable types, several macros, and various functions for performing general functions. Library Variables Following are the variable types defined in the header stdlib.h −

The string.h header defines one variable type, one macro, and various functions for manipulating arrays of characters. Library Variables Following is the variable type defined in the header string.h −

This tutorial is designed for software programmers with a need to understand the C programming language starting from scratch. This C tutorial will give you enough understanding on C programming …

The ctype.h header file of the C Standard Library declares several functions that are useful for testing and mapping characters. All the functions accepts int as a parameter, whose value must be EOF or …

The C library strcpy () function accepts two parameter which copies the string pointed to, by src to dest. This function is essential for maintaining and upgrading of older system.

The time.h header defines four variable types, two macro and various functions for manipulating date and time. Library Variables Following are the variable types defined in the header time.h −