Mine

$./socks
server_count : 0
sock_connect : 0
check_host_up : 123.232.108.98
connecting to : 123.232.108.98: 123.232.108.98 :   : 1080
select returned : 1
sending request of 3 bytes
waiting for response..
trying to read response ...
received 2 bytes
response.version : 5
respone.meth_sel 0
requesting semtex stuff
sent 10 bytes
waiting for reply
recieved 10 bytes
version : 5
 reply : 0
address type : 1
semtex sent : QRYYOYGZGO

-----
 struct request {
        uint8_t v;
        uint8_t c;
        uint8_t r;
        uint8_t at;
        uint32_t ipa;
        uint16_t p;
    } __attribute__((packed));

    struct request myreq;
    myreq.v = 0x05;
    myreq.c = 0x01;
    myreq.r = 0x00;
    myreq.at = 0x01;
    memcpy(&myreq.ipa, &address.sin_addr, 4); 
    memcpy(&myreq.p, &semtex_port, 2);
    int i = 0;
    uint8_t *tmp = &myreq;
    printf("myreq\n");
    for (i = 0; i < 10; i ++) {
        printf("%2x", tmp[i]);
    }printf("\nbuf1\n");
    for (i = 0; i < 10; i ++) {
        printf("%2x", buf1[i]);
    }printf("\n");

    if(checkforwrite(sockfd, 10)){
        if ((nr = send(sockfd, &myreq, 10, 0)) < 0){
            perror("send() request");
            return -1;
        }
    }