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   dreadlo
   ¼ÒÄÏ ÇÁ·Î±×·¡¹Ö~??

http://www.hackerschool.org/HS_Boards/zboard.php?id=QNA_Network&no=94 [º¹»ç]


#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <arpa/inet.h>
#include <sys/socket.h>
void error_handling(char *message);

int main(int argc, char *argv[])
{
        int serv_sock;
        int clnt_sock;

        struct sockaddr_in serv_addr;
        struct sockaddr_in clnt_addr;
        socklen_t clnt_addr_size;

        char message[]="Hello World!";

        if(argc!=2)
        {
                printf("Usage : %s <port>\n", argv[0]);
                exit(1);
        }

        serv_sock=socket(PF_INET, SOCK_STREAM, 0);
        if(serv_sock == -1)
                error_handling("socket() error!");

        memset(&serv_addr, 0, sizeof(serv_addr));
        serv_addr.sin_family=AF_INET;
        serv_addr.sin_addr.s_addr=htonl(INADDR_ANY);
        serv_addr.sin_port=htons(atoi(argv[1]));

        if(bind(serv_sock, (struct sockaddr*) &serv_addr, sizeof(serv_addr))==-1);
                error_handling("bind() error!");

        if(listen(serv_sock, 5) == -1)
                error_handling("listen() error!");

        clnt_addr_size=sizeof(clnt_addr);
        clnt_sock=accept(serv_sock, (struct sockaddr*)&clnt_addr, &clnt_addr_size);
        if(clnt_sock == -1)
                error_handling("accept() error!");

        write(clnt_sock, message, sizeof(message));
        close(clnt_sock);
        close(serv_sock);
        return 0;
}

void error_handling(char *message)
{
        fputs(message, stderr);
        fputc('\n', stderr);
        exit(1);
}




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bind error  ÀÚ²Ù ³ª³×¿ä


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gcc -o hserver hello_server.c      <- ÀÌ·¸°Ô ÄÄÆÄÀÏÇؼ­
./hserver 9190                         <- Æ÷Æ®¹øÈ£ Àû¾î¼­ ½ÇÇàÇߴµ¥;;;
bind() error!


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  Hit : 3530     Date : 2012/09/05 10:26



    
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2012/09/06  
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