Accessing comments in RDBMS through sql query in Oracle database -

is there way access comments stored in rdbms through sql query in oracle database? particularly interested in comments made on stored procedures, triggers etc. aware of all_tab_comments existence, need gain access comments on not tables , views.

the text of stored procedures/packages available through all_source (or dba_source). not mark comments, though (which may part of line, or may consist of multiple lines.)

https://docs.oracle.com/cd/b19306_01/server.102/b14237/statviews_2063.htm#i1588578