C Interview Questions and Answers


Does C have circular shift operators?

No. (Part of the reason why is that the sizes of C's types aren't precisely
defined----but a circular shift makes most sense when applied to a word of a particular
known size.)

You can implement a circular shift using two regular shifts and a bitwise OR:

(x << 13) | (x > >3) /* circular shift left 13 in 16 bits */

Posted by:Richards