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

    #define PORT 5000

    #define MAXDATASIZE 100

    int main(int argc, char *argv[])
    {
        int sockfd, numbytes;
        char buf[MAXDATASIZE];
        struct hostent *he;
        struct sockaddr_in their_addr;

        if (argc != 2) {
            fprintf(stderr,"utilizare: client host\n");
            exit(1);
        }

        if ((he=gethostbyname(argv[1])) == NULL) {
            perror("gethostbyname");
            exit(1);
        }

        if ((sockfd = socket(AF_INET, SOCK_STREAM, 0)) == -1) {
            perror("socket");
            exit(1);
        }

        their_addr.sin_family = AF_INET;
        their_addr.sin_port = htons(PORT);
        their_addr.sin_addr = *((struct in_addr *)he->h_addr);
        memset(&(their_addr.sin_zero), '\0', 8);

        if (connect(sockfd, (struct sockaddr *)&their_addr,
                                              sizeof(struct sockaddr)) == -1) {
            perror("connect");
            exit(1);
        }

        if ((numbytes=recv(sockfd, buf, MAXDATASIZE-1, 0)) == -1) {
            perror("recv");
            exit(1);
        }

        buf[numbytes] = '\0';

        printf("Primit: %s",buf);

        close(sockfd);

        return 0;
    }