Defines starting with `h' in bsd/include

• h_addr bsd/include/netdb.h:105
• HASHMAGIC bsd/include/db.h:154
• HASHSIZE bsd/include/mpool.h:68
• HASHVERSION bsd/include/db.h:155
• HOST_NOT_FOUND bsd/include/netdb.h:145
• HOURSPERDAY bsd/include/tzfile.h:134
• HUGE bsd/include/math.h:94
• HUGE_VAL bsd/include/math.h:43