#define isclr(a,i) (((a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0)
#endif
+#ifdef BB_FEATURE_HUMAN_READABLE
+char *format(unsigned long val, unsigned long hr);
+#define KILOBYTE 1024
+#define MEGABYTE (KILOBYTE*1024)
+#define GIGABYTE (MEGABYTE*1024)
+#endif
+
+#ifdef BB_FEATURE_BUFFERS_GO_ON_STACK
+#define RESERVE_BB_BUFFER(buffer,len) char buffer[len]
+#define RESERVE_BB_UBUFFER(buffer,len) unsigned char buffer[len]
+#else
+#define RESERVE_BB_BUFFER(buffer,len) char *buffer=xmalloc(len)
+#define RESERVE_BB_UBUFFER(buffer,len) unsigned char *buffer=xmalloc(len)
+#endif
+
#endif /* _BB_INTERNAL_H_ */