C++ iostream function?

The iostream library in C++ provides functionality for input and output operations. It includes several functions for reading and writing data to and from files, as well as for displaying output to the console.

Some of the commonly used iostream functions are:

1. cout: Used for displaying output to the console.

2. cin: Used for reading input from the console.

3. cerr: Used for displaying error messages to the console.

4. getline: Used for reading a line of text from a file or the console.

5. put: Used for writing a single character to a file or the console.

6. get: Used for reading a single character from a file or the console.

7. seekg: Used for setting the position of the input file pointer.

8. seekp: Used for setting the position of the output file pointer.

These functions are part of the standard C++ library and can be used in any C++ program.