
#ifdef pc
# include <stdio.h>
# include <math.h>
# include <stdlib.h>
# include <string.h>
# include <time.h>
#endif

#ifdef dec
# include <stdio.h>
# include <math.h>
# include <stdlib.h>
# include <string.h>
# include <time.h>
#endif

#ifdef sun
# include <stdio.h>
# include <floatingpoint.h>
# include <stdlib.h>
# include <string.h>
# include <time.h>
# include <fcntl.h> 
#endif

#ifdef sps9
# include <stdio.h>
# include <math.h>
# include <string.h>
# include <stdlib.h>
# include <time.h>
#endif

#ifdef sparc
# include <stdio.h>
# include <fcntl.h> 
# include <string.h>
# include <stdlib.h>
# include <math.h>
# include <malloc.h>
# include <time.h>  
# include <memory.h>
  extern time_t time();
#endif
