php和c通过socket通信--udp篇

/*server.c*/
#include
#include
#include
#include
#include
#include
#include
#include
#include
main(){
    int sock;
    struct sockaddr_in server,client;
    int recvd,snd;
    int structlength;
    char * server_ip = "128.168.10.1";/*server ip address*/
    int port = 8888;
    char recvbuf[2000],sendbuf[2000];   
    char str1[]="I have received:\n";
    memset((char *)&server,0,sizeof(server));
    server.sin_family = AF_INET;
    server.sin_addr.s_addr = inet_addr(server_ip);
    server.sin_port = htons(port);
    memset((char *)&client,0,sizeof(client));
    client.sin_family = AF_INET;
    client.sin_addr.s_addr = htonl(INADDR_ANY);
    client.sin_port = htons(port);
   
    if((sock = socket (AF_INET,SOCK_DGRAM,0))
/*这个过程很简单，就是客户端提交一个信息，服务端接收，
并返回给客户端一个"接收到"的确认信息。
*/