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Reserved Word List
The names of commands and functions are called reserved words. These include familiar commands and functions like PRINT, INPUT, CHR$( and many others. Function names include the opening parenthesis. You cannot use reserved words to name variables, subroutines or functions. When you write software using Liberty BASIC, you are not required to capitalize reserved words.
There are some built-in variables that are recognized by Liberty BASIC. These are listed at the bottom of the page. Do not use these variable names for your own purposes. Reserve their use as intended by Liberty BASIC.
The list of reserved words in Liberty BASIC:
AND, APPEND, AS, BEEP, BMPBUTTON, BMPSAVE, BOOLEAN, BUTTON, BYREF, CALL, CALLBACK, CALLDLL, CALLFN, CASE, CHECKBOX, CLOSE, CLS, COLORDIALOG, COMBOBOX, CONFIRM, CURSOR, DATA, DIALOG, DIM, DLL, DO, DOUBLE, DUMP, DWORD, ELSE, END, ERROR, EXIT, FIELD, FILEDIALOG, FILES, FONTDIALOG, FOR, FUNCTION, GET, GETTRIM, GLOBAL, GOSUB, GOTO, GRAPHICBOX, GRAPHICS, GROUPBOX, IF, INPUT, KILL, LET, LINE, LISTBOX, LOADBMP, LONG, LOOP, LPRINT, MAINWIN, MAPHANDLE, MENU, NAME, NEXT, NOMAINWIN, NONE, NOTICE, ON, ONCOMERROR, OR, OPEN, OUT, OUTPUT, PASSWORD, PLAYMIDI, PLAYWAVE, POPUPMENU, PRINT, PRINTERDIALOG, PROMPT, PTR, PUT, RADIOBUTTON, RANDOM, RANDOMIZE, READ, READJOYSTICK, REDIM, REM, RESTORE, RESUME, RETURN, RUN, SCAN, SELECT, SHORT, SORT, STATICTEXT, STOP, STOPMIDI, STRUCT, SUB, TEXT, TEXTBOX, TEXTEDITOR, THEN, TIMER, TITLEBAR, TRACE, ULONG, UNLOADBMP, UNTIL, USHORT, VOID, WAIT, WINDOW, WEND, WHILE, WORD, XOR
Note that the opening parenthisis is part of the function name:
ABS(, ACS(, ASC(, ASN(, ATN(, CHR$(, COS(, DATE$(, DECHEX$(, EOF(, EVAL(, EVAL$(, EXP(, HBMP(, HEXDEC(, HWND(, INP(, INPUT$(, INPUTTO$(, INSTR(, INT(, LEFT$(, LEN(, LOF(, LOG(, LOWER$(, MAX(, MIDIPOS(, MID$(, MIN(, MKDIR(, NOT(, RIGHT$(, RMDIR(, RND(, SIN(, SPACE$(, SQR(, STR$(, TAB(, TAN(, TIME$(, TRIM$(, TXCOUNT(, UPPER$(, USING(, VAL(, WINSTRING(, WORD$(
BackgroundColor$, ComboboxColor$, CommandLine$, DefaultDir$, DisplayHeight, DisplayWidth, Drives$, Err, Err$, ForegroundColor$, Joy1x, Joy1y, Joy1z, Joy1button1, Joy1button2, Joy2x, Joy2y, Joy2z, Joy2button1, Joy2button2, ListboxColor$, Platform$, PrintCollate, PrintCopies, PrinterFont$, PrinterName$, TextboxColor$, TexteditorColor$, Version$, WindowHeight, WindowWidth, UpperLeftX, UpperLeftY
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