Controls the ISO/IEC 9899-1990 ("C90") conformance options, overriding the given settings.
-ansi keyword
The arguments for keyword are:
off
urns ISO conformance off. Same as
-stdkeywords off -enum min -strict off.
on | relaxed
Turns ISO conformance on in relaxed mode. Same as
-stdkeywords on -enum min -strict on
strict
Turns ISO conformance on in strict mode. Same as
-stdkeywords on -enum int -strict on