本文转自:http://www.codeproject.com/Articles/28363/How-to-convert-IP-address-to-country-name   Download source code - 1.11 MB How to retrieve a visitor's IP address Every visitor to your site or web application has an IP address. It is quite handy to be…

In this tutorial, we show you how to convert an IP address to its decimal equivalent in Java, and vice versa. For examples : Bash 255.255.255.255 <-> 4294967295 192.168.1.2 <-> 3232235778 1. IP Address to Decimal We show you two ways to conver…

URL: http://lite.ip2location.com/ Use the code below to convert the IP address of your web visitors and lookup for their geographical location, e.g. country, state, city, latitude/longitude, ZIPs, timezone and so on. Free database can be downloaded a…

IP Address Time Limit: 1000MS   Memory Limit: 30000K Total Submissions: 19125   Accepted: 11053 Description Suppose you are reading byte streams from any device, representing IP addresses. Your task is to convert a 32 characters long sequence of '1s'…

/*===================================== IP Address Time Limit:1000MS Memory Limit:30000KB Total Submit:3394 Accepted:1530 Special Judge Description Suppose you are reading byte streams from any device, representing IP addresses. Your task is to conve…

题目链接:id=2105">http://poj.org/problem?id=2105 ---------------------------------------------------------------------------------------------------------------------------------------------------------- 欢迎光临天资小屋:http://user.qzone.qq.com/593830943/mai…

1.Determine if a string is a valid IP address in C Beej's Guide to Network Programming 2.9.14. inet_ntop(), inet_pton() 3.Program to validate an IP address step 1) Parse string with "." as delimiter using "strtok()" function. e.g. ptr…

1.链接地址: http://poj.org/problem?id=2105 http://bailian.openjudge.cn/practice/2105 2.题目: IP Address Time Limit: 1000MS   Memory Limit: 30000K Total Submissions: 18146   Accepted: 10456 Description Suppose you are reading byte streams from any device, r…

IP Address Time Limit: 2 Seconds      Memory Limit: 65536 KB Suppose you are reading byte streams from any device, representing IP addresses. Your task is to convert a 32 characters long sequence of '1s' and '0s' (bits) to a dotted decimal format. A…

lwip 2.0.3  IP address handling /** * @file * IP address API (common IPv4 and IPv6) */ 1.u32_t ipaddr_addr(const char *cp); 把一个 字符串的 IP 地址转换成  ip4_addr_t 类型的IP. /** * Ascii internet address interpretation routine. * The value returned is in network o…