如何使用Golang进行TCP Syn Port扫描？

I'm trying to write a tcp syn port scanner with golang, I found a solution in C version here: http://www.binarytides.com/tcp-syn-portscan-in-c-with-linux-sockets/

I'd like to implement it in go, how can I send a tcp header like this in golang:

//TCP Header
    tcph->source = htons ( source_port );
    tcph->dest = htons (80);
    tcph->seq = htonl(1105024978);
    tcph->ack_seq = 0;
    tcph->doff = sizeof(struct tcphdr) / 4;      //Size of tcp header
    tcph->fin=0;
    tcph->syn=1;
    tcph->rst=0;
    tcph->psh=0;
    tcph->ack=0;
    tcph->urg=0;
    tcph->window = htons ( 14600 );  // maximum allowed window size
    tcph->check = 0; //if you set a checksum to zero, your kernel's IP stack should fill in the correct checksum during transmission
    tcph->urg_ptr = 0;

Do I have to use syscall or cgo? I'm really appreciated if someone could help me out.