skip_line/[0,1]skip_line
skip_line(+Stream)
Skip the remaining input characters on the current line on Stream.
A valid input text stream, defaults to the current input stream.
Stream errors (see ref-iou-sfh-est), plus:
existence_errorCoding with skip_line/[0,1] and at_end_of_line/[0,1] to handle line
input is more portable among different operating systems than checking end
of line by the input character code.
at_end_of_line/[0,1], ref-iou-cin.