Linux C + + IP string converted to a comparable size number

The IP string is converted to a comparable size number, as shown in the following code: This article is compiled by www.169it.com

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#include "stdio.h" #include "arpa/inet.h" #include <string> using namespace std; // linux c/c++ IP字符串转换成可比较大小的数字 // g++ -o test_ip_unsigned test_ip_unsigned.cpp int main( int argc, char *argv[]) {            string ip= "192.168.1.123" ;      unsigned int x=ntohl(inet_addr(ip.c_str()));      unsigned int y=(unsigned int )192*256*256*256+168*256*256+256+123;       printf ( "x=[%u] ip un[%u]\r\n" ,x,y);      return 1; }

Article Source: Linux C + + IP string converted to a comparable size number

Linux C + + IP string converted to a comparable size number