2014/10/15 下午 10:10:37

iphone Programming Glossary: ipv4

http://stackoverflow.com/questions/14082992/gethostbyname-failed-in-ios6

this question There are several possible problems Perhaps you have an IPv6 address gethostbyname works only with IPv4 or the name resolution from the hostname to IP address does not work correctly. The following code returns all local addresses.. code returns all local addresses as an array of strings. It does not depend on name resolution and works with both IPv4 and IPv6 addresses. #include sys types.h #include sys socket.h #include ifaddrs.h #include net if.h #include netdb.h return.. interface ifa_next unsigned int flags interface ifa_flags struct sockaddr addr interface ifa_addr Check for running IPv4 IPv6 interfaces. Skip the loopback interface. if flags IFF_UP IFF_RUNNING IFF_LOOPBACK IFF_UP IFF_RUNNING if addr sa_family..

Objective-C : How to fetch the router address?

http://stackoverflow.com/questions/2113580/objective-c-how-to-fetch-the-router-address

kCFAllocatorDefault CFSTR myapp NULL NULL CFDictionaryRef dr SCDynamicStoreCopyValue ds CFSTR State Network Global IPv4 CFStringRef router CFDictionaryGetValue dr CFSTR Router NSString routerString NSString stringWithString __bridge NSString.. the output of 'scutil' which uses the System Configuration Framework itself MacBook ~ scutil show State Network Global IPv4 dictionary PrimaryInterface en1 PrimaryService service_id Router ipv4_address show State Network Global IPv6 dictionary..

NSRegularExpression to validate URL

http://stackoverflow.com/questions/4738521/nsregularexpression-to-validate-url

9 or 2 d 2 and any digit or 3 0 1 3 followed by a 0 or 1 . d 1 3 . 1 to 3 digits two times 2 First Octet IPv4 match these. Any non network or broadcast IPv4 address 1 9 d any number from 1 to 9 followed by an optional digit 1.. by a 0 or 1 . d 1 3 . 1 to 3 digits two times 2 First Octet IPv4 match these. Any non network or broadcast IPv4 address 1 9 d any number from 1 to 9 followed by an optional digit 1 99 or 1 d d 1 followed by any two digits 100.. 1 followed by a digit 200 219 or 22 0 3 22 followed by any number between 0 and 3 220 223 Second and Third Octet IPv4 . . 1 d 1 2 optional 1 followed by any 1 or two digits 0 199 or 2 0 4 d 2 followed by any number between 0 and..

iPhone/iPad/OSX: How to get my IP address programmatically?

http://stackoverflow.com/questions/7072989/iphone-ipad-osx-how-to-get-my-ip-address-programmatically

like to obtain my iPad's IP address programmatically. How can I query the networking subsystem to find out what my IPv4 and IPv6 addresses are Thanks. PS Can I disable IPv6 somehow iphone ios osx ipad ipv6 share improve this question In..

Transfer files between 2 iPhones over wifi?

http://stackoverflow.com/questions/8637598/transfer-files-between-2-iphones-over-wifi

accept connections and it will call you with new instances of itself for each connection. Support for TCP streams over IPv4 and IPv6. Automatically connect to IPv4 or IPv6 hosts. Automatically accept incoming connections over both IPv4 and IPv6.. with new instances of itself for each connection. Support for TCP streams over IPv4 and IPv6. Automatically connect to IPv4 or IPv6 hosts. Automatically accept incoming connections over both IPv4 and IPv6 with a single instance of this class. No.. over IPv4 and IPv6. Automatically connect to IPv4 or IPv6 hosts. Automatically accept incoming connections over both IPv4 and IPv6 with a single instance of this class. No more worrying about multiple sockets. Support for TLS SSL Secure your..