Character Input/Output
KEY nl A new line is started on the current output stream. get0(N) N is the ASCII code of the next character from the current input stream. get(N) N is the ASCII code of the next non-blank printable character from the current input stream. skip(N) Skips to just past the next ASCII character code N from the current input stream. N may be an integer expression. put(N) ASCII character code N is output to the current output stream. N may be an integer expression. tab(N) N spaces are output to the current output stream. N may be an integer expression.