gboolean modest_ui_editor_window_set_bcc_header(const gchar *bcc, gpointer window_data);
gboolean modest_ui_editor_window_set_subject_header(const gchar *subject, gpointer window_data);
gboolean modest_ui_editor_window_set_body(const gchar *body, gpointer window_data);
gboolean modest_ui_editor_window_set_bcc_header(const gchar *bcc, gpointer window_data);
gboolean modest_ui_editor_window_set_subject_header(const gchar *subject, gpointer window_data);
gboolean modest_ui_editor_window_set_body(const gchar *body, gpointer window_data);