usr/src/share/misc/operator

Operator                        Associativity
-----------------------------------------------
() [] -> .                      left to right
! ~ ++ -- - (type) * & sizeof   right to left
* / %                           left to right
+ -                             left to right
<< >>                           left to right
< <= > >=                       left to right
== !=                           left to right
&                               left to right
^                               left to right
|                               left to right
&&                              left to right
||                              left to right
?:                              right to left
= += -= etc.                    right to left
,                               left to right