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

int main(){
	pid_t pid = fork();
	printf("pid = %u\n", pid);
	/* if pid is 0, we're in the child process.  If it's not 0, we're in the parent */
	if(pid){ /* Not 0 is true, so any valid PID is true */
		sleep(1);
		return 0;
	}
	while(1) {
		sleep(10);
		int fd = open("favorite_file", O_WRONLY | O_CREAT | O_TRUNC, 0644);
		const char *contents = "This is my favorite file";
		write(fd, contents, strlen(contents));
		close(fd);
	}
	return 0;
}