#include <stdlib.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <unistd.h>
#include <assert.h>
#include <string.h>
#include <signal.h>
#include <stdio.h>

int main()
{
    sockaddr_in addr;
    addr.sin_family = AF_INET;
    addr.sin_addr.s_addr = inet_addr("127.0.0.1");
    addr.sin_port = htons(6666);

	int sock = socket(AF_INET, SOCK_STREAM, 0);
	if (0 != connect(sock, (sockaddr*)(&addr), sizeof(addr))) {
		printf("failed to connect\n");
		return -1;
	}

	char buff[2] = {'a', 'b'};
	for (int i = 0; i < 10000000; i++) {
		int n = send(sock, buff, sizeof(buff), 0);
		if (n == -1) {
			printf("failed!\n");
			break;
		}
		if (n < sizeof(buff)) {
			printf("less data sent: %d\n", n);
		}
	}
	return 0;
}