p. gadu-gadu7.7 , zly pakiet

Witam pisze klienta gadu-gadu na protokole 7.7 pojawil sie problem przy odbieraniu wiadomosci, gdy ktos zmienia status, pisze do mnie, wysyla obrazek czy cos jeszcze, dostaje pakiet 6001c8

struct gg_header
{
    int type;
    int length;
}typedef GG_HEADER;


#define GG_RECV_MSG 0x00a

struct gg_recv_msg
{
    int sender;
    int seq;
    int time;
    int class;
    char message[1890];
}typedef GG_RECV;

int last_type=0;
int last_len=0;

main..


{
int ret = OrgRecv(sock, data, count, sth);
  if(ret > 0) 
  {
    if(ret==8)
    {

              GG_HEADER ggh;
              strncpy((char *)&ggh, (char *)&data, count); 
               last_type=ggh.type;
               last_len=ggh.length;
               //MessageBox(NULL,(char*)last_type,"alert",MB_OK);
                   char xx[15];
                  sprintf(xx,"type: %x",last_type);
                  MessageBox(NULL,xx,"if",MB_OK);
                  
    }else
    {
    
    char xx[15];
sprintf(xx,"type: %x",last_type);
MessageBox(NULL,xx,"else",MB_OK);
        if(last_type == GG_RECV_MSG)
          {
              MessageBox(NULL,"lola","alert",MB_OK);
              GG_RECV ggr;
              strncpy((char *)&ggr, (char *)&data, last_len);
              MessageBox(NULL,ggr.message,"alert",MB_OK);
              
          }
          last_type=0;
          last_len=0;
              
          
     }
  }

return ret; 
} 

oczywiscie kawlek kodu jest odpowiednio zapetlony zeby odbierac 2 czesc pakietu