__FB_LANG__

__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:
__FB_LANG__ is always defined.

'' Set option explicit always on

#ifdef __FB_LANG__
  #if __FB_LANG__ <> "fb"
    Option Explicit
  #endif
#else
  '' Older version - before lang fb
  Option Explicit
#endif

• New to FreeBASIC
  
  

• __FB_VERSION__
  
• #lang
  
• Compiler Option: -lang
  
• Compiler Option: -forcelang
  
• Compiler Dialects