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Get IP Address
Author
Hi, i''ve been trying to get the numerical ip address of you computer when you connect to the internet. I''ve tried gethostname() it returns a string and then when I try and call gethostbyname() I just get the string of the name that the IP would resoulve to but not the actual ip address. Could someone please help me out.
If you have a hostname of the actual IP you can simply resolve it using one of the winsock functions. Its that function that you use before you connect to a server like "yahoo.com" to resolve it into a sockaddr struct or a string representing the numerical IP.
char hostname[256];struct hostent *host;in_addr ip;gethostname(hostname, 256);host = gethostbyname(hostname);memcpy(&ip, host->h_addr, sizeof(ip));printf("First host IP is: %s\n", inet_ntoa(ip)); -Mike
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