libntoh never can find a stream

bug.c

/*- clang -std=c89 bug.c -o bug -lntoh */

#ifdef __STRICT_ANSI__
#undef __STRICT_ANSI__
#endif
#ifdef _ISOC99_SOURCE
#undef _ISOC99_SOURCE
#endif
#ifdef _POSIX_SOURCE
#undef _POSIX_SOURCE
#endif
#ifdef _POSIX_C_SOURCE
#undef _POSIX_C_SOURCE
#endif
#ifdef _XOPEN_SOURCE
#undef _XOPEN_SOURCE
#endif
#ifdef _SVID_SOURCE
#undef _SVID_SOURCE
#endif

#ifndef _BSD_SOURCE
#define _BSD_SOURCE
#endif
#ifndef __FAVOR_BSD
#define __FAVOR_BSD
#endif

#include <signal.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <netinet/tcp.h>
#include <netinet/ip.h>
#include <netinet/if_ether.h>
#include <sys/socket.h>
#include <arpa/inet.h>

#include <pcap.h>


#undef _BSD_SOURCE
#undef __FAVOR_BSD
#include <libntoh.h>


void callback
(
	pntoh_tcp_stream_t stream,
	pntoh_tcp_peer_t orig,
	pntoh_tcp_peer_t dest,
	pntoh_tcp_segment_t seg,
	int reason,
	int extra
)
{ /* pass */ }


static void info(char const *function, ntoh_tcp_tuple5_t *tuple)
{
	char srcstr[40] = {0};
	char deststr[40] = {0};
	char const *address = NULL;

	address = inet_ntoa(*(struct in_addr*)&(tuple->source));
	memcpy(srcstr, address, strlen(address));
	address = inet_ntoa(*(struct in_addr*)&(tuple->destination));
	memcpy(deststr, address, strlen(address));
	fprintf(stderr, "%s:%d -> %s:%d",
		srcstr, ntohs(tuple->sport), deststr, ntohs(tuple->dport));
}


int main(int argc, char const **argv)
{
	unsigned int status = 0;
	ntoh_tcp_tuple5_t tuple;
	ntoh_tcp_session_t *tcp = NULL;
	ntoh_ipv4_session_t *ipv4 = NULL;
	ntoh_tcp_stream_t *stream = NULL;

	(void) argc;
	(void) argv;
	ntoh_init();
	tuple.source = 3909091338;
	tuple.destination = 1581761197;
	tuple.sport = htons(48515);
	tuple.dport = htons(80);

	if ((tcp = ntoh_tcp_new_session(0, 0, &status)) == NULL)
	{
		fprintf(stderr, "IPv4: %s", ntoh_get_errdesc(status));
		return EXIT_FAILURE;
	}
	for (int i = 0; i < 10; ++i)
	{
		stream = ntoh_tcp_find_stream(tcp, &tuple);
		info("ntoh_tcp_find_stream", &tuple);
		fprintf(stderr, " %p\n", (void*) stream);
		if (stream == NULL)
		{
			stream = ntoh_tcp_new_stream(tcp, &tuple, callback,
						     NULL, &status, 0, 0);
			info("ntoh_tcp_new_stream", &tuple);
			fprintf(stderr, " %p\n", (void*) stream);
		}
	}
	ntoh_exit();
	return EXIT_SUCCESS;
}