D BCC                               	bcc
D BISON                             	bison
D GMAKE                             	gmake
D LIBDLMAL                          	libdlmalloc
D LIBMALLO                          	libmalloc
D M4                                	m4
F MAKEFILE                          	Makefile
D MPROF                             	mprof
D XXGDB                             	xxgdb