Is there an equivalent in plpgsql of Oracle's DBMS_OUTPUT.PUT_LINE?

I am somewhat new to PostgreSQL's procedure language, and I have not been
able to find a way to do ad-hoc outputs to the console from plpgsql
functions -- mostly for debugging purposes. Oracle has the DBMS_OUTPUT
package which included the PUT_LINE() function. Is there something like
this in plpgsql?

Thanks.