TCP Message Server

/****************************************************************************
    ringneckparrot (c)
    License: http://creativecommons.org/licenses/by-nc-sa/3.0/

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#include <stdio.h>
#include <stdlib.h>
#include <netinet/in.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <string.h>
#include <strings.h>
#include <errno.h>

main()
{
    int sock;
    int bindsock;
    int listensock;
    int acceptsock;
    int sendsock;
    int len;
    struct sockaddr_in server;
    struct sockaddr_in accept_structure;
    char *mesg = "Welcome !\n";

    len = sizeof(struct sockaddr_in);

    sock = socket(AF_INET, SOCK_STREAM, 0);
    if (sock == -1)
    {
        perror("Socket Error: ");
        exit(-1);
    }

    bzero(&server, len);
    server.sin_family = AF_INET;
    server.sin_port = htons(1234);
    server.sin_addr.s_addr = INADDR_ANY;

    bindsock = bind(sock, (struct sockaddr *)&server, len);
    if (bindsock == -1)
    {
        perror("Bind Error: ");
        exit(-1);
    }

    listensock = listen(sock, 4);
    if (listensock == -1)
    {
        perror("Listen Error: ");
        exit(-1);
    }

    while(1)
    {
        acceptsock = accept(sock, (struct sockaddr *)&accept_structure, &len);
        if (acceptsock == -1)
        {
            perror("Accept Error: ");
            exit(-1);

        }

        sendsock = send(acceptsock, mesg, strlen(mesg), 0);
        if (sendsock == -1)
        {
            perror("Send Error: ");
            exit(-1);

        }

        printf("IP of the client: %s\n", (char *)inet_ntoa(accept_structure.sin_addr));
        printf("Bytes Sent: %d\n", sendsock);

        close(acceptsock);
    }

}