__FB_DOS__keyword

Intrinsic define set by the compiler

Syntax

__FB_DOS__

Description

Define without a value created at compile time if compiling for the DOS target. Default in the DOS hosted version, or active when the -target dos command line option is used. It can be used to compile parts of the program only if the target is DOS. Note: the DOS hosted version cannot compile to other targets than DOS by now.

Remarks

Differences from QB

• New to FreeBASIC
  
  

See also

• __FB_LINUX__
  
• __FB_WIN32__
  
• __FB_PCOS__
  
• DOS related FAQ
  
• Compiler Option: -target
  
  

Example

#ifdef __FB_DOS__

  ' ... instructions only for DOS ...

  ' ... INT 0x31

#else

  ' ... instructions not for DOS ...

#endif 

Reference

• Documented in KeyPgDdfbdos.html