bool sunIsStar = true;
// the first method: pick a word
const char *strSun = sunIsStar ? "true" : "false";
//strSun is "true"
// the second method: a number, printf has no bool format
bool earthIsStar = false;
char strEarth[8];
snprintf(strEarth, sizeof strEarth, "%d", earthIsStar);
//strEarth is "0"
printf("strSun is %s\n", strSun);
printf("strEarth is %s\n", strEarth);