HOST_NAME_MAX
#ifndef HOST_NAME_MAX
char hostname[HOST_NAME_MAX + 1];
#ifndef HOST_NAME_MAX
if (gethostname(lname, HOST_NAME_MAX)) {
u_int utmp_len = HOST_NAME_MAX+1;
utmp_len = (u_int)strtonum(optarg, 0, HOST_NAME_MAX+1+1, NULL);
if (utmp_len > HOST_NAME_MAX+1) {
u_int utmp_len = HOST_NAME_MAX+1;
utmp_len = (u_int)strtonum(optarg, 0, HOST_NAME_MAX+1+1, NULL);
if (utmp_len > HOST_NAME_MAX+1) {
utmp_len = (u_int)strtonum(optarg, 0, HOST_NAME_MAX+1+1, NULL);
if (utmp_len > HOST_NAME_MAX+1) {
u_int utmp_len = HOST_NAME_MAX+1;
char hostname[HOST_NAME_MAX+1] = "";