-int mime = 0; /* include original as MIME part */
-char *form = NULL; /* form (components) file */
-char *filter = NULL; /* message filter file */
-char *fcc = NULL; /* folders to add to Fcc: header */
+static int mime = 0; /* include original as MIME part */
+static char *form = NULL; /* form (components) file */
+static char *filter = NULL; /* message filter file */
+static char *fcc = NULL; /* folders to add to Fcc: header */