FMEV_MAX_CLASS
char buf[FMEV_MAX_CLASS];
strnlen(pat, FMEV_MAX_CLASS) == FMEV_MAX_CLASS)
strnlen(pat, FMEV_MAX_CLASS) == FMEV_MAX_CLASS)
return (strncmp(left->si_pat, right->si_pat, FMEV_MAX_CLASS));
char si_pat[FMEV_MAX_CLASS];