Can I programmatically detect a 64-bit operating system?

[Michelle]

I have an application that calls an external .exe.  I need to call a different .exe depending on whether Windows is a 32-bit or 64-bit version.  Is there a way to detect whether the operating system is 32-bit or 64-bit programmatically from LabWindows?

[NeluF]

Hello Michelle,

This post will answer your questions: http://forums.ni.com/t5/LabWindows-CVI/detect-32-64-bit-OS/td-p/1154491

Have a nice day,

Nelu F. || National Instruments

[RobertoBozzolo]

According to this page, you can use getenv ("PROCESSOR_ARCHITECTURE"); and getenv ("PROCESSOR_ARCHITEW6432");