26 	Bbuf *bb;  in iinit()  local
38 	bb = bcread(ic, ic->nab);  in iinit()
39 	if(bb == 0){  in iinit()
43 	bi = (Dinode*)bb->data;  in iinit()
110 	Bbuf *bb;  in iformat()  local
129 		bb = bcalloc(ic, bno);  in iformat()
130 		if(bb == 0){  in iformat()
134 		bi = (Dinode*)bb->data;  in iformat()
139 		bcmark(ic, bb);  in iformat()
251 	Bbuf *bb;  in iread()  local
268 	bb = bcread(ic, bno);  in iread()
269 	if(bb == 0){  in iread()
273 	bi = (Dinode*)bb->data;  in iread()
300 	Bbuf *bb;  in iwrite()  local
304 	bb = bcread(ic, bno);  in iwrite()
305 	if(bb == 0)  in iwrite()
307 	bi = (Dinode*)bb->data;  in iwrite()
309 	bcmark(ic, bb);  in iwrite()