+bopen(byte *name, uns mode, uns buflen)
+{
+ if (!buflen)
+ return bopen_mm(name, mode);
+ struct fastbuf *b = bopen_try(name, mode, buflen);
+ if (!b)
+ die("Unable to %s file %s: %m",
+ (mode & O_CREAT) ? "create" : "open", name);
+ return b;
+}
+
+struct fastbuf *
+bfdopen(int fd, uns buflen)