GET_CHAR_BEFORE_2 (c1, d, string1, end1, string2, end2);
GET_CHAR_AFTER_2 (c2, d, string1, end1, string2, end2);
#ifdef emacs
GET_CHAR_BEFORE_2 (c1, d, string1, end1, string2, end2);
GET_CHAR_AFTER_2 (c2, d, string1, end1, string2, end2);
#ifdef emacs