void mutt_add_to_reference_headers (ENVELOPE * env, ENVELOPE * curenv,
LIST *** pp, LIST *** qq);
void mutt_adv_mktemp (const char*, char*, size_t);
void mutt_add_to_reference_headers (ENVELOPE * env, ENVELOPE * curenv,
LIST *** pp, LIST *** qq);
void mutt_adv_mktemp (const char*, char*, size_t);