84 } bfs[2];  variable
113 	bfs[0].counter = BF_ALLOC;	/* pass out the first buffer */  in rw_init()
115 	bfs[1].counter = BF_FREE;  in rw_init()
117 	return (&bfs[0].buf.tb_hdr);  in rw_init()
130 	bfs[current].counter = BF_FREE; /* free old one */  in readit()
133 	b = &bfs[current];	/* look at new buffer */  in readit()
153 	b = &bfs[nextone];	/* look at "next" buffer */  in read_ahead()
197 	bfs[current].counter = ct;	/* set size of data to write */  in writeit()
199 	if (bfs[current].counter != BF_FREE)	/* if not free */  in writeit()
202 	bfs[current].counter = BF_ALLOC;	/* mark as alloc'd */  in writeit()
203 	*dpp = &bfs[current].buf.tb_hdr;  in writeit()
224 	b = &bfs[nextone];  in write_behind()