| ALERT() | Display a dialog box with a message |
| BROWSE() | Browse a database file |
| DBEDIT()* | Browse records in a table |
| OUTERR() | Write a list of values to the standard error device |
| OUTSTD() | Write a list of values to the standard output device |
| READKEY()* | Find out which key terminated a READ. |
| READVAR() | Return variable name of current GET or MENU |
| __AtPrompt() | Display a menu item on screen and define a message |
| __INPUT() | Stops application |
| __MenuTo() | Invoked a menu defined by set of @...PROMPT |
| __NONOALERT() | Override //NOALERT command line switch |
| __TYPEFILE() | Show the content of a file on the console and/or printer |
| __XRestScreen() | Restore screen image and coordinate from an internal buffer |
| __XSaveScreen() | Save whole screen image and coordinate to an internal buffer |