#include <unistd.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <ctype.h>
#include <stdlib.h>


int main (int index, char** in_data){
     
     int fd;
     int data;
     void * buf;
     buf = malloc (100);
     
     fd = open ("gino",O_WRONLY | O_APPEND,00700);
     lseek (fd,2,SEEK_SET);
     write (fd,(void *)"ehi",3);

     
     close(fd);
     
     
     return 0;
}