__FB_LANG__keyword

Intrinsic define (macro value) set by the compiler

Syntax

__FB_LANG__

Description

__FB_LANG__ indicates which language compatibility option was set at the time of compilation of a module. By default __FB_LANG__ will be set to "fb". The language compatibility option can be changed using one (or more) of the following methods:

-lang command line option
-forcelang command line option
#lang directive
$Lang metacommand

Returns a lower case string with one of the following values:

value	description
''fb''	FreeBASIC compatibility (default)
''qb''	QBASIC compatibility
''fblite''	FreeBASIC language compatibility, with a more QBASIC-compatible coding style
''deprecated''	FBC version 0.16 compatibility

__FB_LANG__ is always defined.

Remarks

Differences from QB

New to FreeBASIC

Example

'' Set option explicit always on



#ifdef __FB_LANG__

  #if __FB_LANG__ <> "fb"

    Option Explicit

  #endif

#else

  '' Older version - before lang fb

  Option Explicit

#endif

Reference

Documented in KeyPgDdfblang.html