flushes any buffered information to an outputstream.

>H3>flush_output
flush_output(+Stream)

flush_output flushes any buffered information to the current outputstream, while flush_output(Stream) flushes any buffered information to the outputstream Stream.

Arguments

Stream                 output stream

Examples

loop :-
	repeat,
		write(user_output, '?- '), flush_output(user_output),
		read(user_input, Term),
	( Term == end_of_file ; call(Term), fail ),
	!.

Standard

These predicates are part of the ISO-Prolog Standard.

See also

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