int rb_rawbuf_get(rawbuf_head_t *, void *data, int len);
void rb_rawbuf_append(rawbuf_head_t *, void *data, int len);
int rb_rawbuf_flush(rawbuf_head_t *, rb_fde_t *F);
int rb_rawbuf_get(rawbuf_head_t *, void *data, int len);
void rb_rawbuf_append(rawbuf_head_t *, void *data, int len);
int rb_rawbuf_flush(rawbuf_head_t *, rb_fde_t *F);