#include 
     
      #include 
      
       #include 
       
        #include 
        
         #include 
         
          #include 
          
           #include 
           
            #include 
            
             #include 
             
              int main(){ int iRandTmp=-1; int i = 0; iRandTmp = open("/dev/urandom", O_RDONLY); printf("first:%d\n\n\n\n\n\n",iRandTmp%65536); close(iRandTmp); int fd=0; char *buff=NULL; unsigned long ulTest = 0; int ulSeed; fd=open("/dev/urandom",O_RDONLY); read(fd,&ulSeed,sizeof(ulTest)); printf("second:%u",ulTest%400); close(fd); return 0;}