How does scanf

C Output In C programming, printf is one of the main output function. All valid C programs must contain the main function. The code execution begins from the start of the main function. The printf is a library function to send formatted output to the screen. The function prints the string inside quotations.

To use printf in our program, we need to include stdio. The return 0; statement inside the main function is the "Exit status" of the program. It's optional. Previous Tutorial:. Next Tutorial:. For example, consider some input stream that contains only characters followed by an integer or a float. And we need to scan only that integer or float. Take a step-up from those "Hello World" programs. Learn to implement data structures like Heap, Stacks, Linked List and many more!

Check out our Data Structures in C course to start learning today. How can we scan the last value as an integer? The below solution works only if the input string has no spaces. In this case, it ignores the input until the next space or newline. C library function - scanf Advertisements. Previous Page. Next Page. Previous Page Print Page. High-Performance Cloud Computing. Techopedia Terms. Connect with us. Sign up. Term of the Day. Best of Techopedia weekly.

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