DNS查询器，执行的环境在Debian4.0上，编译工具为gcc，DNS服务器地址为192.168.1.1(通常该服务的默认监听端口为53)，文件名DNSClient.c

编译命令：gcc -g -Wall -o DNSClient DNSClient.c 执行： ./DNSClient bigdogchina.cublog.cn-DNS query, execution environment on Debian4.0, compile tools for GCC, DNS server address as 192.168.1.1 (usually the service the default listener port for 53), filename DNSClient. C

Compile command: GCC-g-wall-o DNSClient DNSClient. C:./DNSClient bigdogchina. Cublog. Cn