void mutt_format_s (char *, size_t, const char *, const char *);
void mutt_format_s_tree (char *, size_t, const char *, const char *);
void mutt_forward_intro (FILE * fp, HEADER * cur);
void mutt_format_s (char *, size_t, const char *, const char *);
void mutt_format_s_tree (char *, size_t, const char *, const char *);
void mutt_forward_intro (FILE * fp, HEADER * cur);