- HEADER *, format_flag);
-
-int mutt_extract_token (BUFFER *, BUFFER *, int);
-void mutt_buffer_add (BUFFER*, const char*, size_t);
-void mutt_buffer_addstr (BUFFER*, const char*);
-void mutt_buffer_addch (BUFFER*, char);
-
-#define mutt_system(x) _mutt_system(x,0)
-int _mutt_system (const char *, int);
-
-#define mutt_next_thread(x) _mutt_aside_thread(x,1,0)
-#define mutt_previous_thread(x) _mutt_aside_thread(x,0,0)
-#define mutt_next_subthread(x) _mutt_aside_thread(x,1,1)
-#define mutt_previous_subthread(x) _mutt_aside_thread(x,0,1)
-int _mutt_aside_thread (HEADER *, short, short);