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C Getifaddrs

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What should I write as my country of birth? Thanks again! Then use the New Thread button at the top of the Forum webpage to open up your own new thread. -- Tom lotuseclat79, Nov 14, 2007 #12 windows user Joined: Detect it via the default route This is my recommended way to autodetect things Something like ip r get 1.1.1.1 usually tells you the interface which has the default route.

Reply Silver Moon March 6, 2013 at 9:07 pm check your internet connectivity by pinging the host first. struct ifaddrs{ struct ifaddrs *ifa_next; /* Pointer to the next structure. */ char *ifa_name; /* Name of this network interface. */ struct sockaddr *ifa_addr; /* Network address of this interface. */ Differentiation of H = U + pV Is randomly generating passwords from an assortment of dictionary words cryptographically secure? The command "ifconfig" in Terminal let me know that the IP on LAN is "192.168.1.5". http://stackoverflow.com/questions/212528/get-the-ip-address-of-the-machine

C Getifaddrs

I am a junior developer. you can check out these links for more information on it http://beej.us/guide/bgnet/output/html/singlepage/bgnet.html#ip4to6 http://stackoverflow.com/questions/8149601/what-would-be-the-disadvantages-risks-of-using-af-unspec Silver Moon March 23, 2013 at 10:58 pm or call the getaddrinfo function like this getaddrinfo( hostname , He can be reached at [emailprotected]. But, I think indeed that must be a way to do in C/C++.

Reasons to pack weapons on interstellar mission? What was the origin of the name "Robin" in the English version of Batman - Dark Victory? What was the tallest structure built in Middle-earth? C Program To Get Ip Address In Windows Can't find any positive side of this "solution". –viraptor May 18 '11 at 13:38 Hah!

The socket api in linux provides functions like gethostbyname and getaddrinfo that can be used to perform the dns requests and get the ip address. C Get Own Ip Address Create a UDP socket Connect the socket to an outside address (the host that will eventually receive the local address) Use getsockname to get the local address share|improve this answer answered The man page of rtnetlink also contains useful information. http://stackoverflow.com/questions/4130147/get-local-ip-address-in-c-linux But, I think indeed that must be a way to do in C/C++.

Show Ignored Content Page 1 of 2 1 2 Next > As Seen On Welcome to Tech Support Guy! C++ Get Public Ip Address You can try /etc/profile or ~/.profile for this. Name (required) Mail (will not be published) (required) Website Comment Connect with us Other interesting stuffSYN Flood DOS Attack with C Source Code (Linux)C program to get a domain's whois information Linux - How to get my IP in C/C++ Discussion in 'Software Development' started by rockballad, Nov 8, 2007.

C Get Own Ip Address

OBP replied Feb 13, 2017 at 8:00 AM Limited/No Internet Connection jenae replied Feb 13, 2017 at 7:59 AM Loading... Optional Password I have read and agree to the Terms of Service and Privacy Policy Please subscribe me to the CodeProject newsletters Submit your solution! C Getifaddrs Join them; it only takes a minute: Sign up How do I get my IP address in C on Linux? C++ Get Local Ip Address Would you like to answer one of these unanswered questions instead?

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This would return the local ip address. Code: char *hostname = malloc(MAXHOSTNAMELEN ); memset( hostname , 0 , MAXHOSTNAMELEN ); gethostname( hostname,MAXHOSTNAMELEN ); struct hostent hostn = mallock(sizeof(struct hostent)); gethostbyname(hostname); here then how can i get the ip Would Trump be worth more if he simply invested in mutual funds? General FAQ Ask a Question Bugs and Suggestions Article Help Forum Site Map Advertise with us About our Advertising Employment Opportunities About Us Ask a Question All Questions All Unanswered FAQ

When the system is a part of a local area network then the local ip in most cases is something like 192.168.*.* . C++ Get Ip Address From Hostname This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL) Top Experts Last 24hrsThis month OriginalGriff 220 Richard MacCutchan 135 share|improve this answer answered Jul 12 '10 at 4:41 Thanatos 20.4k857100 add a comment| up vote 4 down vote I do not think there is a definitive right answer to your

So by using Code: inet_aton("192.168.1.5", &addr); h = gethostbyaddr(&addr, sizeof addr, AF_INET); I know the *real* host name is "mycomputername.local"!

allocatable you will have to use 0.2.3.4 which can potentially invoke undefined behavior). Order of operations in a dictionary comprehension Why can't I plot Log[Gamma[x]] for x > 170? Terms of Service Layout: fixed | fluid CodeProject, 503-250 Ferrand Drive Toronto Ontario, M3C 3G8 Canada +1 416-849-8900 x 100 Register Remember Me? C++ Getifaddrs Yes, my password is: Forgot your password?

Having stated that, let me show you how I have improved it. current community chat Stack Overflow Meta Stack Overflow your communities Sign up or log in to customize your list. So change it to the ip command.when/if appropriate. Name (required) Mail (will not be published) (required) Website Comment Connect with us Other interesting stuffC program to get mac address from interface name on LinuxWinpcap compile error in pcap-stdinc.h in

So from the /proc/net/route output this line is of interest : eth0 00000000 0100A8C0 0003 0 0 0 00000000 0 0 0 Its destination is 00000000 and gateway is 0100A8C0. Yes, it's expected to work.