Question

Approximately what is the line #include at the top of a C source file for?

Answer 1

Explanation:

In the case of our first few programs, it lets the compiler know some important information about the library function, printf. It also lets the compiler know similar information about other functions in the ``Standard I/O library,'' some of which we'll be learning about later. (It also provides a few I/O-related definitions which we'll be using later.) We'll learn more about the #include directive when we cover the C Preprocessor Describing what a particular variable is for, describing what a function is for and how it works, documenting the name, version number, purpose, and programmer of an entire program, explaining any tricky or hard-to-understand part about a program, ...

Question

Answer 2

Answer:

A line segment that does not have any ending point. It can be extended in both the directions to infinity.

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