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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #include <string.h>
  4. #include <unistd.h>
  5. #include <sys/types.h>
  6. #include <sys/socket.h>
  7. #include <fcntl.h>
  8. #include <netinet/in.h>
  9. #include <arpa/inet.h>
  10. #define serv_tp 6880
  11. #define serv_ha "127.0.0.1"
  12.  
  13. int main(){
  14.     int sockfd,newsockfd,clilen,n,fd;
  15.     struct sockaddr_in ca,sa;
  16.     char filename[25],buf[1000];
  17.     if((sockfd=socket(AF_INET,SOCK_STREAM,0)<0))
  18.     printf("server not opened at all\n");
  19.     printf("opened successfully\n");
  20.     sa.sin_family=AF_INET;
  21.     sa.sin_addr.s_addr=htonl(INADDR_ANY);
  22.     sa.sin_port=htons(serv_tp);
  23.  
  24.     if((bind,(sockfd,(struct sockaddr*)&sa,sizeof(sa)))<0)
  25.       printf("not bind properly\n");
  26.       else
  27.     printf("bound properly\n");
  28.     listen(sockfd,5);
  29.     printf("waiting for the client\n");
  30.     for(;;){
  31.         clilen=sizeof(ca);
  32.         newsockfd=accept(sockfd,(struct sockaddr*)&ca,&clilen);
  33.         if(newsockfd<0)
  34.         printf("server error\n");
  35.         else
  36.         printf("server connected successfully\n");
  37.         n=read(newsockfd,filename,25);
  38.         filename[n]='\0';
  39.         printf("server is found at %s ready to tranfer\n",filename);
  40.         fd=open(filename,O_RDONLY);
  41.         n=read(fd,buf,1000);
  42.         buf[n]='\0';
  43.         write(newsockfd,buf,n);
  44.         close(newsockfd);
  45.         exit(0);
  46.     }
  47.     return 0;
  48. }
Success #stdin #stdout 0.01s 5288KB
comments (?)
stdin
copy 
Standard input is empty
stdout
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opened successfully
bound properly
waiting for the client
server error
server is found at / ready to tranfer
https://ideone.com/KX9RDF
language:
C (gcc 8.3)
created:
12 days ago
visibility:
public

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