along with this program. If not, see <http://www.gnu.org/licenses/>. */
-#ifndef _SIM_BITS_H_
-#define _SIM_BITS_H_
+#ifndef SIM_BITS_H
+#define SIM_BITS_H
/* Bit manipulation routines:
#include "sim-bits.c"
#endif
-#endif /* _SIM_BITS_H_ */
+#endif /* SIM_BITS_H */