Bytind bi_find_next_emchar_in_string (Lisp_String*, Emchar, Bytind, EMACS_INT);
Bufpos find_before_next_newline (struct buffer *, Bufpos, Bufpos, int);
struct re_pattern_buffer *compile_pattern (Lisp_Object, struct re_registers *,
Bytind bi_find_next_emchar_in_string (Lisp_String*, Emchar, Bytind, EMACS_INT);
Bufpos find_before_next_newline (struct buffer *, Bufpos, Bufpos, int);
struct re_pattern_buffer *compile_pattern (Lisp_Object, struct re_registers *,