The C standard library provides essential functions for input/output from "summary" of C Programming Language by Brian W. Kernighan,Dennis Ritchie
The C standard library includes a wide array of functions that are essential for input and output operations in a C program. These functions are designed to allow the program to interact with the user, as well as with external devices such as files and networks. Input functions are used to read data from the user or from a file, while output functions are used to display information to the user or write data to a file. One of the most basic input functions is scanf, which is used to read input from the standard input stream. It allows the program to accept input from the user via the keyboard. Similarly, the fscanf function is used to read input from a file, allowing the program to retrieve data from external sources. On the other hand, the most basic output function is printf, which is used to display output to the standard output stream. It al...
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