prototype += "struct ofpbuf *);"
print prototype
print """
static enum ofperr ofpact_decode(const struct ofp_action_header *,
enum ofp_raw_action_type raw,
prototype += "struct ofpbuf *);"
print prototype
print """
static enum ofperr ofpact_decode(const struct ofp_action_header *,
enum ofp_raw_action_type raw,