server

/* A simple server in the internet domain using TCP
   The port number is passed as an argument
   This version runs forever, forking off a separate
   process for each connection
*/
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <string.h>

void dostuff(int); /* function prototype */
void error(const char *msg)
{
    perror(msg);
    exit(1);
}
    FILE *ptr_myfile;
int main(int argc, char *argv[])
{

     int sockfd, newsockfd, portno, pid;
     socklen_t clilen;
     struct sockaddr_in serv_addr, cli_addr;

     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);
     while (1) {
         newsockfd = accept(sockfd,
               (struct sockaddr *) &cli_addr, &clilen);
         if (newsockfd < 0)
             error("ERROR on accept");
         pid = fork();
         if (pid < 0)
             error("ERROR on fork");
         if (pid == 0)  {
             close(sockfd);
             dostuff(newsockfd);
             exit(0);
         }
         else close(newsockfd);
     } /* end of while */
     close(sockfd);
     return 0; /* we never get here */
}

/******** DOSTUFF() *********************
 There is a separate instance of this function
 for each connection.  It handles all communication
 once a connnection has been established.
 *****************************************/
void dostuff (int sock)
{
    //writing file to client

    int n;
    int counter;
    char buffer[256];
    bzero(buffer,256);



    ptr_myfile=fopen("test1.txt","r");
    if(!ptr_myfile){
        printf("file couldn't open");
    }

   /* for(counter=1;counter <=10;counter++){
        fwrite(&buffer,sizeof(*buffer),1,ptr_myfile);
           n = read(sock,buffer,255);
         n = write(sock,buffer,18);};*/

        //make list match each get text and match to user
    if (n < 0) error("ERROR reading from socket"){
       // if (!strcmp ( buffer, "i gay\n" )) n = write(sock,"you are gay",18);
        //else{  printf("Here is the message: %s\n",buffer);
            n = write(sock,buffer,18);};
fread(&ptr_myfile,sizeof(*buffer),1,buffer);

        n = write(sock,"all good",18);
};
        if (n < 0) error("ERROR writing to socket");
    }




     /*

   if (n < 0) error("ERROR reading from socket");
   printf("Here is the message: %s\n",buffer);
   n = write(sock,"got it",18);
   if (n < 0) error("ERROR writing to socket");*/
//}