/**************************************************************************************************************************************** file name:multicast.c* author :momolyl@126.com* date :2024/06/04* brief :设计程序实现解析www.baidu.com的域名，把获取到的百度的IP地址全部输出到终端并验证是否正确。* note : ./xxx www.baidu.com** CopyRight (c) 2024 momolyl@126.com All Right Reseverd* ***********************************************************************************************************************************/
#include <netdb.h>
#include <stddef.h>
#include <arpa/inet.h>
#include <stdio.h>
extern int h_errno;int main(int argc, char const *argv[])
{struct hostent *p = gethostbyname(argv[1]);char buf[128] = {0};char **pr = p->h_addr_list;for (pr = p->h_addr_list; *pr != NULL; pr++){inet_ntop(p->h_addrtype, *pr, buf, sizeof(buf));printf("The addr get by name is: %s\n", buf);}return 0;
}
运行结果
