-FILE *safe_fopen (const char *, const char *);
-
-char *mutt_concat_path (char *, const char *, const char *, size_t);
-char *mutt_read_line (char *, size_t *, FILE *, int *);
-
-const char *mutt_basename (const char *);
-
-int mutt_copy_stream (FILE *, FILE *);
-int mutt_copy_bytes (FILE *, FILE *, size_t);