15. Lett be the following function: int char *s, char *) char *pl. 2: Eorkpl = 5; pl != '\0'; pi++){ for ip2 = t; *p2 - YO': p2++) if (pl = *p2) break: if (*p2 == '\0') break; return pl - s; What is the return value of t ("babed", "dabbe)? b) 2 c) 3 e)s