linux系统dns解析代码

#include <stdio.h>
#include <stdlib.h>
#include <netdb.h>
#include <arpa/inet.h>

int main() {
    const char* domain = "example.com";
    struct hostent* host = gethostbyname(domain);
    
    if (host == NULL) {
        printf("Failed to resolve DNS for %s\n", domain);
        return 1;
    }
    
    printf("Domain: %s\n", domain);
    printf("IP Address: %s\n", inet_ntoa(*((struct in_addr*)host->h_addr_list[0])));
    
    return 0;
}