Controlling the text screen

- [Instructor] The first thrill … of controlling the terminal screen … is being able to set the cursor … to any valid location. … And to do so, you must first obtain … the width and height of the screen. … In ncurses, the default output window … is called the standard screen, … which has the same size as the terminal window. … And in this exercise file, … the size is obtained by the getmaxyx function … at line 10, then output at line 11. … Now be aware that the variables … height and width are not pointers in this function. … I've already compiled and built the program … so we'll run. … See what the screen size is for this terminal window. … And it's reporting 22 rows by 89 columns, … which looks about right. … Now this terminal window is a bit smaller, … so you would expect a different result. … I will run the same program, … and ncurses reports 15 rows by 57 columns. … When you know the screen's size, … you can safely relocate the cursor … to any position on the standard screen. … The top, left corner of the standard screen …