21 	vlong offset;  in fsread()  local
25 	offset = r->ifcall.offset;  in fsread()
29 	if(offset >= rf->ndata){  in fsread()
35 	if(offset+count >= rf->ndata)  in fsread()
36 		count = rf->ndata - offset;  in fsread()
38 	memmove(r->ofcall.data, rf->data+offset, count);  in fsread()
48 	vlong offset;  in fswrite()  local
52 	offset = r->ifcall.offset;  in fswrite()
55 	if(offset+count >= rf->ndata){  in fswrite()
56 		v = realloc(rf->data, offset+count);  in fswrite()
62 		rf->ndata = offset+count;  in fswrite()
65 	memmove(rf->data+offset, r->ifcall.data, count);  in fswrite()