Switch back to the developer command prompt window. You should see the source file hello. The dates and other details will differ on your computer. If you don't see your source code file, hello. Also make sure that you saved the source code with a.
You can see the executable program name, hello. If you get an error such as "'cl' is not recognized as an internal or external command, operable program or batch file," error C, or error LNK, your developer command prompt is not set up correctly.
For information on how to fix this issue, go back to the Open a developer command prompt section. If you get a different compiler or linker error or warning, review your source code to correct any errors, then save it and run the compiler again.
For information about specific errors, use the search box at the top of this page to look for the error number. This "Hello, World" example is about as basic as a C program can get. Real world programs have header files and more source files, link in libraries, and do useful work. You can use the steps in this walkthrough to build your own C code instead of typing the sample code shown.
You can also build many C code sample programs that you find elsewhere. To compile a program that has additional source code files, enter them all on the command line, like:. The compiler outputs a program called file1. To change the name to program1. The compiler, cl. You can also compile and link separately and apply linker options in more complex build scenarios.
By default, the MSVC compiler treats all files that end in. In most cases, portable C code will compile and run as expected. Windows SDK If you're unsure of what commands to use, you can type "Help" into Command Prompt.
This makes a list appear with different common commands you can use. This gives you additional information about changing how that command works. This System File Checker tool can help you identify and fix issues by scanning all your protected files. It also repairs broken files to improve performance on your computer. Drag and drop folders into Command Prompt to insert a folder's location. You can make identifying a file path easier by dragging a folder into the Command Prompt window. Use the Function keys F as shortcuts.
These buttons at the top of your keyboard can help you reenter commands without having to type them again. Here is a list of some commands you can use to interact with Command Prompt:.
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