The #include <stdio.h> directive in a C program is used to include the Standard Input Output library. This library provides functionalities for input and output operations, such as:
printf: For printing output to the console.scanf: For reading input from the user.getchar: For reading a single character.- File handling functions: Such as
fopen,fclose,fread, andfwrite.
By including this header file, you gain access to these essential functions, allowing your program to interact with users and handle data effectively.
