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#include <netdb.h>
#include <ifaddrs.h>
#include <arpa/inet.h>
+ (NSArray *)loopUpIPAddress:(NSURL *)url {
NSMutableArray *ipAddrs = [[NSMutableArray alloc] init];
char **pptr;
struct hostent *_host = gethostbyname([[url host] UTF8String]);
pptr = _host->h_addr_list;
for (; *pptr != NULL; pptr++) {
char ip_addr[32];
inet_ntop(_host->h_addrtype, *pptr, ip_addr, sizeof(ip_addr));
NSString* hostIP = [NSString stringWithUTF8String:ip_addr];
[ipAddrs addObject:hostIP];
}
return [ipAddrs copy];
}
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