readwrite
void readwrite(int);
readwrite(s);
readwrite(s);
readwrite(connfd);
readwrite(s);
readwrite(s);
ioctl_cmd->readwrite = IPS_IOCTL_READ | IPS_IOCTL_WRITE;
if(ioctl_cmd->readwrite & IPS_IOCTL_READ){
} else if(ioctl_cmd->readwrite & IPS_IOCTL_WRITE){
if(ioctl_cmd->readwrite & IPS_IOCTL_WRITE){
} else if(ioctl_cmd->readwrite & IPS_IOCTL_READ){
int readwrite;