pfr_buf_grow
pfr_buf_grow(&skip_b, skip_b.pfrb_size);
int pfr_buf_grow(struct pfr_buffer *, int);
pfr_buf_grow(&table_buffer, table_buffer.pfrb_size);
if (pfr_buf_grow(b, 0))
pfr_buf_grow(&b, b.pfrb_size);
pfr_buf_grow(&b, b.pfrb_size);
pfr_buf_grow(&b, b.pfrb_size);
pfr_buf_grow(&b, b.pfrb_size);
pfr_buf_grow(&b, b.pfrb_size);
pfr_buf_grow(&b, b.pfrb_size);