#include<unistd.h>
#include<stdio.h>
#include<fcntl.h>

int main(){
	int fd = open("new_file_that_we_made", O_WRONLY | O_CREAT | O_TRUNC, 0644);
	printf("fd = %d\n", fd);
	write(fd, "buffalo\n", 8);
	close(fd);
	return 0;
}