+ PRINTF_FORMAT (3, 0);
+
+void vlog_fatal(const struct vlog_module *, const char *format, ...)
+ PRINTF_FORMAT (2, 3) NO_RETURN;
+void vlog_fatal_valist(const struct vlog_module *, const char *format, va_list)
+ PRINTF_FORMAT (2, 0) NO_RETURN;
+
+void vlog_abort(const struct vlog_module *, const char *format, ...)
+ PRINTF_FORMAT (2, 3) NO_RETURN;
+void vlog_abort_valist(const struct vlog_module *, const char *format, va_list)
+ PRINTF_FORMAT (2, 0) NO_RETURN;
+