internet connection test

networkcheck.h

/** Checks internet connection by making a dns request.
 * The returned result is the error number of 
 * the dns request attempt.
 * zero = connection available
 * Licence: do what you want with this code snippet
*/

#include <netdb.h>

int networkdnstest(char *testdnsname)
{
	struct addrinfo *result;
	int error=getaddrinfo(testdnsname,NULL,NULL,&result);
	return error;
};