Defines starting with `h' in bsd/include

• h_addr bsd/include/netdb.h:106
• HASHMAGIC bsd/include/db.h:151
• HASHSIZE bsd/include/mpool.h:65
• HASHVERSION bsd/include/db.h:152
• HOST_NOT_FOUND bsd/include/netdb.h:146
• HOURSPERDAY bsd/include/tzfile.h:131
• HUGE bsd/include/math.h:93
• HUGE_VAL bsd/include/math.h:40