confirm_frame
void (*confirm_frame)(uint64_t frame_type,
void (*confirm_frame)(uint64_t frame_type,
void (*confirm_frame)(uint64_t frame_type,
fifd->confirm_frame = confirm_frame;
fifd->confirm_frame(OSSL_QUIC_FRAME_TYPE_STOP_SENDING,
fifd->confirm_frame(OSSL_QUIC_FRAME_TYPE_RESET_STREAM,
confirm_frame, NULL,