FreeBASIC Manual

 

Language Documentation Keywords - Alphabetical Keywords - Functional Graphics Keywords Operator List Variables and Data Types Variable Declarations User Defined Types Standard Data Types Standard Data Type Limits Converting Between Data Types Operators Operator Overview Operator Precedence Bitwise Operators & Truth Tables Statements Control Flow Procedures Modularizing Other Preprocessor Escape Sequences In String Literals Meta-statements Intrinsic Defines Error Handling Inline Asm Runtime Library Reference Array Functions Bit Manipulation Console Functions Date and Time Functions Error Handling Functions File IO Functions Mathematical Functions Memory Functions Operating System Functions Sound Library Reference String Functions Threading Support Functions User Input Functions Graphics Library Reference 2D Drawing Functions User Input Functions Screen Functions Supported graphics drivers (backends) Keyboard Scan Codes Default Palettes

Tutorials Programmer's Guide Community Tutorials Community Code Library External Libraries Index Using the FreeBASIC compiler Installing FreeBASIC | Requirements Running FreeBASIC Using the Command Line | Command Line Options Debugging with FreeBASIC Compiler Error Messages Tools used by fbc Installing gcc for -gen gcc FreeBASIC dialects and QBASIC FreeBASIC and Qbasic | Differences from QB FreeBASIC Dialects FAQs Compiler FAQ Graphics Library FAQ Runtime Library FAQ Xbox port FAQ DOS related FAQ Windows related FAQ Linux related FAQ Miscellaneous Obsolete Keywords Glossary Miscellaneous Keywords C Standard Library Functions ASCII Character Codes Runtime Error Codes C/C++ vs. FreeBASIC syntax comparison C/C++ vs. FreeBASIC integer data type comparison Hacking on FreeBASIC Developer's Table of Contents

This document last compiled : 2026-06-15 10:46:11 from https://www.freebasic.net/wiki/