fig2 2

FIRST LINĘ	MP-^	FIRST LINĘ	TP-^	FIRST LINĘ
APPENDED		BUFFERED		PROCESSED
LINES		TEXT		TEXT
UNPROCESSED SOURCE LINES
		FREE MEMORY SPACE		FREE FILE SPACE
	NEXT APPEND		NEXT WRITE

SP = SOURCE POINTER MP = MEMORY POINTER TP = TEMPORARY POINTER