C言語のwrite関数で、縦に"風林火山"って書ける?

#include <stdio.h>#include <unistd.h>#include <string.h>int my_strlen(char *str){ size_t len = 0; while (str[len] != '\0') { len++; } return (len);}void print_str(char *str){ size_t i = 0; while (i <= my_strlen(str)) { write(1, str, 3);