Controls the use of ISO keywords.
#pragma only_std_keywords on | off | reset
The C/C++ compiler recognizes additional reserved keywords. If you are writing code that must follow the ANSI standard strictly, enable the pragma only_std_keywords.
This pragma corresponds to the ANSI Keywords Only setting in the Language panel. To check this setting, use __option (only_std_keywords), described in Checking Pragma Settings. By default, this pragma is disabled.