Query to list all stored procedures

Question

What query can return the names of all the stored procedures in a SQL Server database

If the query could exclude system stored procedures, that would be even more he

Answer 1

select * from DatabaseName.INFORMATION_SCHEMA.ROUTINES where routine_type = 'PROCEDURE'

select * from DatabaseName.INFORMATION_SCHEMA.ROUTINES where routine_type ='procedure' and left(ROUTINE_NAME,3) not in('sp_', 'xp_', 'ms_')


   SELECT name, type   FROM dbo.sysobjects
 WHERE (type = 'P')