dcl-backward-command is an interactive compiled Lisp function in `dcl-mode.el'.

(dcl-backward-command &optional INCL-COMMENT-COMMANDS)

Move backward to a command.
Move point to the preceding command line that is not a comment line,
a command line with only a comment, only contains a `$' or only
contains a label.

Returns point of the found command line or nil if not able to move.