问在printf上分割C++客户机/服务器应用程序的故障

EN

int nrbytes;
char *Usercl,*Passcl;
if( read (tdl.cl, &nrbytes, sizeof(int)) <= 0 )
{
    printf("[server]Thread - %d\n",tdl.idThread);
    perror("Read() error\n ");
}

Usercl = new char[nrbytes+1];
if( read (tdl.cl, &Usercl, sizeof(nrbytes)) <= 0 )
{
    printf("[server]Thread - %d\n",tdl.idThread);
    perror("Read() error\n ");
}

if( read (tdl.cl, &nrbytes, sizeof(int)) <= 0 )
{
    printf("[server]Thread - %d\n",tdl.idThread);
    perror("Read() error\n ");
}
Passcl = new char[nrbytes+1];
if( read (tdl.cl, &Passcl, sizeof(nrbytes)) <= 0 )
{
    printf("[server]Thread - %d\n",tdl.idThread);
    perror("Read() error\n ");
}
printf("[server]Thread - %d\n. User:%s\n",tdl.idThread,Usercl);
printf("[server]Thread - %d\n. Pass:%s\n",tdl.idThread,Passcl);