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Article #13848

Re: HELP WITH SOCKET IN C

#13848
From: Luc Kumps
Date: Tue, 29 May 2001 21:17
187 lines
6025 bytes
Could you please show the actual source code that's still giving errors.
You should insert the code I gave you between your original lines:

> > >    struct sockaddr_in their_addr;
struct WSAData WSAD;

if (WSAStartup(0x0101,&WSAD)!=0) {
  printf("WSAStartup failed\n");
  exit(1);
}
> > >    memset(&my_addr,0,sizeof(struct sockaddr_in));

Luc

"Misra" <zxxx999xxxz@yahoo.com> wrote in message
news:9f0qur$1jpov$1@ID-67106.news.dfncis.de...
> hi,
> thanks for the tip. I tried it. but I am still getting errors.First I put
> the lines inside main. It gave me a error "this declaration is not allowed
> inside . SO I placed it outside main. Still I am getting errors. My
> winsock.dll version is 4.10.1656
> ----- Original Message -----
> From: "Luc Kumps" <NOkumpsSPAM@pandora.be>
> Newsgroups: be.comp.programming
> Sent: Tuesday, May 29, 2001 10:55 PM
> Subject: Re: HELP WITH SOCKET IN C
>
>
> > You forgot to call WSAStartup, which is necessary to initialize the
> Windows
> > socket library.
> > Just add this add the start of your program:
> >
> > struct WSAData WSAD;
> >
> > if (WSAStartup(0x0101,&WSAD)!=0) {
> >   printf("WSAStartup failed\n");
> >   exit(1);
> > }
> >
> >
> > Luc
> >
> >
> >
> > "Misra" <zxxx999xxxz@yahoo.com> wrote in message
> > news:9f0lp7$1j1ff$1@ID-67106.news.dfncis.de...
> > > Hi,
> > > Please tell me why this piece of code in C is not working. I am using
> the
> > > free version of Borland c++5.5 compiler available for download. When I
> > > execute the .exe file the socket descriptor returns a value of -1 . I
am
> > > using win 95.
> > >
> > >
> > > #include<winsock.h>
> > > #include<windows.h>
> > > #include<stdio.h>
> > > #include<string.h>
> > >
> > > int main(void)
> > >    {
> > >    SOCKET sockdesc,new_sd;
> > >    int theirsize;
> > >    struct sockaddr_in my_addr;
> > >    struct sockaddr_in their_addr;
> > >
> > >    memset(&my_addr,0,sizeof(struct sockaddr_in));
> > >    // memset(&their_addr,0,sizeof(struct sockaddr_in));
> > >
> > >
> > >    my_addr.sin_family=AF_INET;
> > >    my_addr.sin_addr.s_addr=htonl(INADDR_ANY);
> > >    my_addr.sin_port=htons(23);
> > >
> > >    sockdesc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);
> > >
> > >    printf("err in socket %d \n",sockdesc);
> > >
> > >
> > >
> > >    if((bind(sockdesc,(struct sockaddr *) &my_addr,sizeof(struct
> > > sockaddr_in)))<0)
> > >    {
> > >      printf("err in bind \n");
> > >    }
> > >
> > >    if((listen(sockdesc,2))<0)
> > >    {
> > >      printf("err in listen");
> > >    }
> > >    theirsize=sizeof(struct sockaddr_in);
> > >    new_sd=accept(sockdesc,&their_addr,&theirsize);
> > >    if(new_sd<0)
> > >    {
> > >      printf("err in accept %d \n",new_sd);
> > >    }
> > >    }
> > >
> > >
> > >
> >
> >
>
> "Luc Kumps" <NOkumpsSPAM@pandora.be> wrote in message
> news:lYQQ6.19798$X03.1687837@afrodite.telenet-ops.be...
> > You forgot to call WSAStartup, which is necessary to initialize the
> Windows
> > socket library.
> > Just add this add the start of your program:
> >
> > struct WSAData WSAD;
> >
> > if (WSAStartup(0x0101,&WSAD)!=0) {
> >   printf("WSAStartup failed\n");
> >   exit(1);
> > }
> >
> >
> > Luc
> >
> >
> >
> > "Misra" <zxxx999xxxz@yahoo.com> wrote in message
> > news:9f0lp7$1j1ff$1@ID-67106.news.dfncis.de...
> > > Hi,
> > > Please tell me why this piece of code in C is not working. I am using
> the
> > > free version of Borland c++5.5 compiler available for download. When I
> > > execute the .exe file the socket descriptor returns a value of -1 . I
am
> > > using win 95.
> > >
> > >
> > > #include<winsock.h>
> > > #include<windows.h>
> > > #include<stdio.h>
> > > #include<string.h>
> > >
> > > int main(void)
> > >    {
> > >    SOCKET sockdesc,new_sd;
> > >    int theirsize;
> > >    struct sockaddr_in my_addr;
> > >    struct sockaddr_in their_addr;
> > >
> > >    memset(&my_addr,0,sizeof(struct sockaddr_in));
> > >    // memset(&their_addr,0,sizeof(struct sockaddr_in));
> > >
> > >
> > >    my_addr.sin_family=AF_INET;
> > >    my_addr.sin_addr.s_addr=htonl(INADDR_ANY);
> > >    my_addr.sin_port=htons(23);
> > >
> > >    sockdesc=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);
> > >
> > >    printf("err in socket %d \n",sockdesc);
> > >
> > >
> > >
> > >    if((bind(sockdesc,(struct sockaddr *) &my_addr,sizeof(struct
> > > sockaddr_in)))<0)
> > >    {
> > >      printf("err in bind \n");
> > >    }
> > >
> > >    if((listen(sockdesc,2))<0)
> > >    {
> > >      printf("err in listen");
> > >    }
> > >    theirsize=sizeof(struct sockaddr_in);
> > >    new_sd=accept(sockdesc,&their_addr,&theirsize);
> > >    if(new_sd<0)
> > >    {
> > >      printf("err in accept %d \n",new_sd);
> > >    }
> > >    }
> > >
> > >
> > >
> >
> >
>
>
>
>
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From: "Luc Kumps" <NOkumpsSPAM@pandora.be>
Newsgroups: be.comp.programming
References: <9f0lp7$1j1ff$1@ID-67106.news.dfncis.de> <lYQQ6.19798$X03.1687837@afrodite.telenet-ops.be> <9f0qur$1jpov$1@ID-67106.news.dfncis.de>
Subject: Re: HELP WITH SOCKET IN C
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Date: Tue, 29 May 2001 21:17:02 GMT
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