How to compile C language programs

This article mainly introduces the relevant knowledge of how to compile C language programs, the content is detailed and easy to understand, the operation is simple and fast, and has a certain reference value. I believe you will gain something after reading this article on how to compile C language programs. Let's take a look.

Compile / execute a C program example

# include

Int main () {

/ * my first C program * /

Printf ("Hello, World!\ n")

Return 0

}

Run the instance »

Instance resolution:

All C language programs need to include the main () function. The code starts with the main () function.

/ *. / used for annotations.

Printf () is used to format the output to the screen. The printf () function is declared in the "stdio.h" header file.

Stdio.h is a header file (standard input / output header file), and # include is a preprocessing command to import the header file. When the compiler encounters the printf () function, a compilation error occurs if the stdio.h header file is not found.

The return 0; statement is used to indicate exit from the program.

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