这个程序用什么调试?有没有错误啊?
#include
#include
#include
#include
#include
#include
#include
#define BUFFSIZE 150
int
main()
{
struct sockaddr_in serv;
charbuf(BUFFSIZE);
intsockfd,n;
if ((sockfd = socket(PF_INET,SOCK_DGRAM,0)) < 0)
err_sys("socket error");
bzero((char *) &serv,sizeof(serv));
serv.sin_family = AF_INET;
server.sin_addr.s_addr = inet_addr("140.252.1.32");
serv.sin_port = htons(13);
if(sendto(sockfd,buff,BUFFSIZE,0,(struct sockaddr *) &serv,sizeof(serv)) !=BUFFSIZE)
err_sys("sendto erro"r);
if(((n = recvfrom(sockfd,buff,BUFFSIZE,0,(struct sockaddr *) NULL,(int *) NULL)) < 2)
err_sys("recvfrom error");
buff[n-2] = 0;
printf("%s\n", buff);
exit(0);
}