All symbols starting with 'h' in FreeBSD

• HASH kern/kern_synch.c:232
• hashalloc ufs/ufs_alloc.c:466
• haveseen i386/isa/isa.c:107
• haveseen_isadev i386/isa/isa.c:179
• HOLDRELE sys/vnode.h:315
• howmany sys/param.h:175
• hpte i386/include/pte.h:78
• hsg2msf i386/isa/mcd.c:743
• htonl i386/include/endian.h:91
• htons i386/include/endian.h:92
• hzto kern/kern_clock.c:449