-nsai -prs

I wrote:
> if( a )...
> for( a = 0; b; ++c ) ...
> f( a, b, c )
> 
> 
> (In particular, I like <open-paren><space> ... <space><close-paren>)
> I don't believe I can currently get indent to make that style
> happen, and if someone can show me how, that'd be great.

Answering my own question:

-nsai -prs seems to do what I want.  Not sure how I managed
to avoid seeing that.  Somehow, reading the source was more
enlightening than the man page.