udpserver.c

来自「实现了CS8900的驱动...........」· C语言 代码 · 共 38 行

#include <stdlib.h> 
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <fcntl.h>
#include <ctype.h>
#include <unistd.h>
#include <netdb.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>

int main()
{
	int fdSock;
	char szRecv[256];
	struct sockaddr_in myAddr;
	int iRet;
	//
	fdSock=socket(AF_INET,SOCK_DGRAM,0);
	myAddr.sin_family=AF_INET;
	myAddr.sin_port=htons(5555);
	myAddr.sin_addr.s_addr=inet_addr("192.168.1.10");
	if(bind(fdSock,(struct sockaddr *)&myAddr,sizeof(myAddr))!=0){
		perror("bind error:");
		close(fdSock);
		return -1;
	}
	iRet=recvfrom(fdSock,szRecv,sizeof(szRecv),0,NULL,NULL);
	szRecv[iRet]=0;
	printf("recv: \"%s\" from client\n",szRecv);
	close(fdSock);
	return 0;
}