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C Q&A » IP » host

1. Segmentation fault when looking up host name and IP address stackoverflow.com

I have the following piece of code for getting the hostname and IP address,

#include <stdlib.h>
#include <stdio.h>
#include <netdb.h> /* This is the header file needed for gethostbyname() */
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>


int main(int ...

2. IP address of host... bytes.com

a. There is no point posting code and telling us "it didn't work". How didn't it work? Did it compile without errors and warnings? If it compiled did you get unexpected results when you ran it? If you got unexpected results what was the expect result? What was the unexpected result? What, if any, was the input data to the program? ...

3. IP/HOST Conflict when gettin' the Users IP (Sockets) cboard.cprogramming.com

4. how to get host IP using C ? cboard.cprogramming.com

5. Host name to ip address - winsock2 forums.devshed.com

i am using inet_addr to convert my ip address, but how do i convert a host name/DNS (e.g. www.google.com) to the ip to be converted into long by inet_addr, or such. I did want to try getaddrinfo, but it requires the protocol and everything, so i don't want to use it as i have done the protocol simpler way using sockaddr_in. ...

6. Can I define host IP as this? forums.devshed.com

First I define a struct hostent pointer as this struct hostent *phost; char szhostname[128]; then get the host IP address, gethostname( szhostname,128 );//get host name printf( szhostname ); phost = gethostbyname( szhostname );//get host IP finally, store the host IP address into struct_in variable addr. ( ( sockaddr_in* ) &addr )->sin_addr.S_un.S_addr = htonl((unsigned int)((unsigned char*)phost->h_addr_list[0]));//get the host IP address Is this ...