ld: fatal: Symbol referencing errors. No output written to server

smartgupta · 10-10-2008, 05:09 AM

Hi,

I am working with Solaris 5.9 and I am newbie in Socket programming and I stated working with socket programming and I copyed a simple client & server program from a website which I am giving below--

Quote:

#include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>

void error(char *msg)
{
perror(msg);
exit(1);
}

int main(int argc, char *argv[])
{
int sockfd, newsockfd, portno, clilen;
char buffer[256];
struct sockaddr_in serv_addr, cli_addr;
int n;
if (argc < 2) {
fprintf(stderr,"ERROR, no port provided\n");
exit(1);
}
sockfd = socket(AF_INET, SOCK_STREAM, 0);
if (sockfd < 0)
error("ERROR opening socket");
bzero((char *) &serv_addr, sizeof(serv_addr));
portno = atoi(argv[1]);
serv_addr.sin_family = AF_INET;
serv_addr.sin_addr.s_addr = INADDR_ANY;
serv_addr.sin_port = htons(portno);
if (bind(sockfd, (struct sockaddr *) &serv_addr,
sizeof(serv_addr)) < 0)
error("ERROR on binding");
listen(sockfd,5);
clilen = sizeof(cli_addr);
newsockfd = accept(sockfd,
(struct sockaddr *) &cli_addr,
&clilen);
if (newsockfd < 0)
error("ERROR on accept");
bzero(buffer,256);
n = read(newsockfd,buffer,255);
if (n < 0) error("ERROR reading from socket");
printf("Here is the message: %s\n",buffer);
n = write(newsockfd,"I got your message",18);
if (n < 0) error("ERROR writing to socket");
return 0;
}

when I am compiling these files.I am getting the error--

Quote:

# gcc server.c -o server
Undefined first referenced
symbol in file
socket /var/tmp//ccmoWk0x.o
accept /var/tmp//ccmoWk0x.o
bind /var/tmp//ccmoWk0x.o
listen /var/tmp//ccmoWk0x.o
ld: fatal: Symbol referencing errors. No output written to server
collect2: ld returned 1 exit status

Please Help me to solve it

Thanks in Advance ....