Variables starting with `h' in bsd/kern

• hostid bsd/kern/init_main.c:269
• hostname bsd/kern/init_main.c:270
• hostnamelen bsd/kern/init_main.c:271
• how bsd/kern/kern_descrip.c:1113
• hw_sysctl bsd/kern/kern_sysctl.c:94
• HZ bsd/kern/kern_time.c:168