what:

Syntax:	what ( )
	what ( list )

Description:

	What returns a STRING matrix of all the built-in and
	user-defined functions that currently reside in the global
	symbol table. If you supply a LIST argument to what, it will
	print out a list of the user-defined functions in the LIST.

		what ( $$ ) 

	is the same as

		what ()

	Since `$$' is the special symbol that represents the global
	symbol table.

See Also: who
