How to Use the Strlen Command in C

Video Transcript

"Hi, my name is Dave Andrews, and today, I'm going to show you how to use the Strlen function, in C . If you're reading Strlen, what you're basically saying, is string length. A string in C , is just a collection of characters, that are strung together to form a sentence, or a phrase, or a word. Let's take a look at my program here. What I'm doing, is I'm including the I input, output stream sub system, and in my main function, which is the very first function that is run, in any C program. I'm declaring a string here. A string is a grouping of char characters, or just character files that are a single byte long. I've named it Text, and it can hold a maximum of one hundred characters. I've assigned it the value, This is my string. Immediately after that, I'm going to send some data to C-out, which is the C subsystem, for displaying data on the screen. What I'm going to give it, is the Strlen function, and the text stream that I've just created. That's going to show us the length of the text value, so let's compile our program, using G . You can also use a Microsoft Editor, and let's run the result. As you can see, it is output the number 18 to the screen, which is the length of the stream that I created. My name is Dave Andrews, and I've just showed you how to use the Strlen function, in C ."