+
+byte *
+bgets0(struct fastbuf *f, byte *b, uns l)
+{
+ byte *e = b + l - 1;
+ int k;
+
+ k = bgetc(f);
+ if (k == EOF)
+ return NULL;
+ while (b < e)
+ {
+ if (!k || k == EOF)
+ {
+ *b = 0;
+ return b;
+ }
+ *b++ = k;
+ k = bgetc(f);
+ }
+ die("%s: Line too long", f->name);
+}
+
+int
+bdirect_read(struct fastbuf *f, byte **buf)
+{
+ int len;
+
+ if (f->bptr == f->bstop && !f->refill(f))
+ return EOF;
+ *buf = f->bptr;
+ len = f->bstop - f->bptr;
+ f->bptr += len;
+ return len;
+}
+
+int
+bdirect_write_prepare(struct fastbuf *f, byte **buf)
+{
+ if (f->bptr == f->bufend)
+ f->spout(f);
+ *buf = f->bptr;
+ return f->bufend - f->bptr;
+}
+
+void
+bdirect_write_commit(struct fastbuf *f, byte *pos)
+{
+ f->bptr = pos;
+}