— Function: minibuffer-prompt

This function returns the prompt string of the currently active minibuffer. If no minibuffer is active, it returns nil.

— Function: minibuffer-prompt-end

This function returns the current position of the end of the minibuffer prompt, if a minibuffer is current. Otherwise, it returns the minimum valid buffer position.

— Function: minibuffer-prompt-width

This function returns the current display-width of the minibuffer prompt, if a minibuffer is current. Otherwise, it returns zero.

— Function: minibuffer-contents

This function returns the editable contents of the minibuffer (that is, everything except the prompt) as a string, if a minibuffer is current. Otherwise, it returns the entire contents of the current buffer.

— Function: minibuffer-contents-no-properties

This is like minibuffer-contents, except that it does not copy text properties, just the characters themselves. See Text Properties.

— Command: delete-minibuffer-contents

This command erases the editable contents of the minibuffer (that is, everything except the prompt), if a minibuffer is current. Otherwise, it erases the entire current buffer.