QT tcp 服务器问题 [复制链接]

#include <sys/types.h>
#include <sys/socket.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include <unistd.h>
#include <netinet/in.h>
#include <sys/file.h>
#include <sys/types.h>
#include <sys/stat.h>

#define SERVPORT 1300
#define BACKLOG 10
#define MAX_CONNECTED_NO 10
#define MAXDATASIZE 50

int main()
{
    struct sockaddr_in server_sockaddr,client_sockaddr;
    int sin_size,recvbytes;
    int sockfd,client_fd;
    time_t currentTime;
    char timebuffer[MAXDATASIZE+1];
        int fd = 0;
        int nwrite = 0;
    char buf[MAXDATASIZE];
    if((sockfd = socket(AF_INET,SOCK_STREAM,0))==-1){
        perror("socket");
        exit(1);
    }
    printf("socket success!,sockfd=%d\n",sockfd);
    server_sockaddr.sin_family=AF_INET;
    server_sockaddr.sin_port=htons(SERVPORT);
    server_sockaddr.sin_addr.s_addr=INADDR_ANY;
    bzero(&(server_sockaddr.sin_zero),8);
    if(bind(sockfd,(struct sockaddr *)&server_sockaddr,sizeof(struct sockaddr))==-1){
        perror("bind");
        exit(1);
    }
    printf("bind success!\n");
    if(listen(sockfd,BACKLOG)==-1){
        perror("listen");
        exit(1);
    }
    printf("listening....\n");

        sin_size = sizeof(struct sockaddr);
    if((client_fd=accept(sockfd,(struct sockaddr *)&client_sockaddr,&sin_size))==-1){
        perror("accept");
        exit(1);
    }

    fd=open("recvfile",O_RDWR | O_CREAT, 0666);
    if(fd < 0){
        perror("open");
        exit(1);
    }

    
    while (1) {
        if((recvbytes=recv(client_fd,buf,MAXDATASIZE,0)) <= 0){
            perror("recv");
            break;
        }
            if((nwrite=write(fd,buf,recvbytes)) < 0 ){
                perror("write file");
            }

    }

    close(sockfd);
    close(fd);
    
}
代码在linux下能执行，我想帮他加个QT界面，但是accept（）函数老是出错啊，有人知道怎么改吗？