标签：size 一个 ons else lease orm define mem socket
#include <stdio.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <stdlib.h>
#include <netinet/in.h>
#include <errno.h>
#include <string.h>
#include <arpa/inet.h>
#include <unistd.h>
#define MAXLINE 1024
int main(int argc,char **argv)
{
char *servInetAddr = "127.0.0.1";
int socketfd;
struct sockaddr_in sockaddr;
char recvline[MAXLINE], sendline[MAXLINE];
int n;
if(argc != 2)
{
printf("client <ipaddress> \n");
exit(0);
}
socketfd = socket(AF_INET,SOCK_STREAM,0);
memset(&sockaddr,0,sizeof(sockaddr));
sockaddr.sin_family = AF_INET;
sockaddr.sin_port = htons(10004);
inet_pton(AF_INET,servInetAddr,&sockaddr.sin_addr);
if((connect(socketfd,(struct sockaddr*)&sockaddr,sizeof(sockaddr))) < 0 )
{
printf("connect error %s errno: %d\n",strerror(errno),errno);
exit(0);
}
printf("send message to server\n");
fgets(sendline,1024,stdin);
if((send(socketfd,sendline,strlen(sendline),0)) < 0)
{
printf("send mes error: %s errno : %d",strerror(errno),errno);
exit(0);
}
close(socketfd);
printf("exit\n");
exit(0);
}
#include <stdio.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <string.h>
#include <netinet/in.h>
#include <stdlib.h>
#include <errno.h>
#include <unistd.h>
#include <arpa/inet.h>
#define MAXLINE 1024
int main(int argc,char **argv)
{
int listenfd,connfd;
struct sockaddr_in sockaddr;
char buff[MAXLINE];
int n;
memset(&sockaddr,0,sizeof(sockaddr));
sockaddr.sin_family = AF_INET;
sockaddr.sin_addr.s_addr = htonl(INADDR_ANY);
sockaddr.sin_port = htons(10004);
listenfd = socket(AF_INET,SOCK_STREAM,0);
bind(listenfd,(struct sockaddr *) &sockaddr,sizeof(sockaddr));
listen(listenfd,1024);
printf("Please wait for the client information\n");
for(;;)
{
if((connfd = accept(listenfd,(struct sockaddr*)NULL,NULL))==-1)
{
printf("accpet socket error: %s errno :%d\n",strerror(errno),errno);
continue;
}
/* else
{
//开线程接收某一个CLENT的数据
* n = recv(connfd,buff,MAXLINE,0);
* buff[n] = ‘\0‘;
* printf("recv msg from client:%s",buff);
* close(connfd);
*
*
}*/
n = recv(connfd,buff,MAXLINE,0);
buff[n] = ‘\0‘;
printf("recv msg from client:%s",buff);
close(connfd);
}
close(listenfd);
}
标签：size 一个 ons else lease orm define mem socket
原文地址：https://www.cnblogs.com/Anthonylovelorie/p/10600928.html
