IP地址uint32与string互换

Posted 2022-04-13 heihei36

#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <iostream>

uint32_t addr_ston(const char* host) 
    uint32_t iaddr = inet_addr(host);
    return htonl(iaddr);


char* addr_ntos(const uint32_t host) 
    uint32_t iaddr = htonl(host);
    struct in_addr inaddriaddr;
    return inet_ntoa(inaddr);


int main(int argc, char** argv) 
    uint32_t host = addr_ston("192.168.0.1");
    // c0a80001
    std::cout << std::hex << host << std::dec << std::endl;
    // 192.168.0.1
    std::cout << addr_ntos(host) << std::endl;