Macros starting with `h' in osfmk/ppc

• HIGH_ADDR osfmk/ppc/asm.h:306
• HIGH_CADDR osfmk/ppc/asm.h:305
• htobl osfmk/ppc/endian.h:71
• htobs osfmk/ppc/endian.h:72
• htoll osfmk/ppc/endian.h:66
• htols osfmk/ppc/endian.h:67
• htonl osfmk/ppc/endian.h:51
• htons osfmk/ppc/endian.h:52
• hw_lock_addr osfmk/ppc/hw_lock_types.h:91