#include<stdio.h>
#include <unistd.h>
#include<fcntl.h>
#include<unistd.h>
int main(){
int fd=0;
static char buf[20];
fd = open("amazon", O_RDWR);
read(fd, buf, 5);
lseek(fd, 3, SEEK_SET);
read(fd, buf, 6);
}
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