begin-buffer-structure name.of.structure len0 buffer-element name0 len1 buffer-element name1 len2 buffer-element name2 len3 buffer-element name3 end-buffer-array creates a structure consisting of several named buffer elements of indicated lengths. name.of.structure instance.name creates a new instance of the indicated structure. instance.name makes this buffer structure instance current. name0 makes this buffer-element of the current buffer structure become the current buffer. For example, begin-buffer-array save-bufs select length buffer-element select-buf lut-src length buffer-element lut-src-buf end-buffer-array copy-current-array lio-bufs ... lio-bufs save-select/sector/src