64 } bfs[2];  variable
89 	bfs[0].counter =  BF_ALLOC;     /* pass out the first buffer */  in rw_init()
91 	bfs[1].counter = BF_FREE;  in rw_init()
93 	return (struct tftphdr *)bfs[0].buf;  in rw_init()
104 	bfs[current].counter = BF_FREE; /* free old one */  in readit()
107 	b = &bfs[current];              /* look at new buffer */  in readit()
129 	b = &bfs[nextone];              /* look at "next" buffer */  in read_ahead()
169 	bfs[current].counter = ct;      /* set size of data to write */  in writeit()
171 	if (bfs[current].counter != BF_FREE)     /* if not free */  in writeit()
173 	bfs[current].counter = BF_ALLOC;        /* mark as alloc'd */  in writeit()
174 	*dpp =  (struct tftphdr *)bfs[current].buf;  in writeit()
194 	b = &bfs[nextone];  in write_behind()