Function em_delete_prev_char

extern/editline/src/emacs.c:492–508

em_delete_prev_char(): * Delete the character to the left of the cursor * [^?] */

 *	[^?]
 */
protected el_action_t
/*ARGSUSED*/
em_delete_prev_char(EditLine *el, Int c __attribute__((__unused__)))
{

	if (el->el_line.cursor <= el->el_line.buffer)
		return CC_ERROR;

	if (el->el_state.doingarg)
		c_delbefore(el, el->el_state.argument);
	else
		c_delbefore1(el);
	el->el_line.cursor -= el->el_state.argument;
	if (el->el_line.cursor < el->el_line.buffer)
		el->el_line.cursor = el->el_line.buffer;
	return CC_REFRESH;
}