C language write text to file

/*
Example: write text to file in C language
*/

#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <string.h>
#include <stdbool.h>
#include <errno.h>
#include <unistd.h>

int main(){
    FILE *out=fopen("test.txt","w");
	fputs("Hello lautturi.com",out);
	fclose(out);
	
    return 0;
}