|  | #ifndef _ARPA_NAMESER_H_ | 
|  |  | 
|  | #include <resolv/arpa/nameser.h> | 
|  |  | 
|  | /* If the machine allows unaligned access we can do better than using | 
|  | the NS_GET16, NS_GET32, NS_PUT16, and NS_PUT32 macros from the | 
|  | installed header.  */ | 
|  | #include <string.h> | 
|  | #include <stdint.h> | 
|  | #include <netinet/in.h> | 
|  |  | 
|  | extern const struct _ns_flagdata _ns_flagdata[] attribute_hidden; | 
|  |  | 
|  | #if _STRING_ARCH_unaligned | 
|  |  | 
|  | # undef NS_GET16 | 
|  | # define NS_GET16(s, cp) \ | 
|  | do {									      \ | 
|  | const uint16_t *t_cp = (const uint16_t *) (cp);			      \ | 
|  | (s) = ntohs (*t_cp);						      \ | 
|  | (cp) += NS_INT16SZ;							      \ | 
|  | } while (0) | 
|  |  | 
|  | # undef NS_GET32 | 
|  | # define NS_GET32(l, cp) \ | 
|  | do {									      \ | 
|  | const uint32_t *t_cp = (const uint32_t *) (cp);			      \ | 
|  | (l) = ntohl (*t_cp);						      \ | 
|  | (cp) += NS_INT32SZ;							      \ | 
|  | } while (0) | 
|  |  | 
|  | # undef NS_PUT16 | 
|  | # define NS_PUT16(s, cp) \ | 
|  | do {									      \ | 
|  | uint16_t *t_cp = (uint16_t *) (cp);					      \ | 
|  | *t_cp = htons (s);							      \ | 
|  | (cp) += NS_INT16SZ;							      \ | 
|  | } while (0) | 
|  |  | 
|  | # undef NS_PUT32 | 
|  | # define NS_PUT32(l, cp) \ | 
|  | do {									      \ | 
|  | uint32_t *t_cp = (uint32_t *) (cp);					      \ | 
|  | *t_cp = htonl (l);							      \ | 
|  | (cp) += NS_INT32SZ;							      \ | 
|  | } while (0) | 
|  |  | 
|  | #endif | 
|  |  | 
|  | extern u_int		__ns_get16 (const u_char *) __THROW; | 
|  | extern u_long		__ns_get32 (const u_char *) __THROW; | 
|  |  | 
|  | #define ns_msg_getflag(handle, flag) \ | 
|  | (((handle)._flags & _ns_flagdata[flag].mask) >> _ns_flagdata[flag].shift) | 
|  |  | 
|  | libresolv_hidden_proto (ns_get16) | 
|  | libresolv_hidden_proto (ns_get32) | 
|  | libresolv_hidden_proto (ns_put16) | 
|  | libresolv_hidden_proto (ns_put32) | 
|  | libresolv_hidden_proto (ns_initparse) | 
|  | libresolv_hidden_proto (ns_skiprr) | 
|  | libresolv_hidden_proto (ns_parserr) | 
|  | libresolv_hidden_proto (ns_name_ntop) | 
|  | libresolv_hidden_proto (ns_name_pton) | 
|  | libresolv_hidden_proto (ns_name_pack) | 
|  | libresolv_hidden_proto (ns_name_skip) | 
|  | libresolv_hidden_proto (ns_name_unpack) | 
|  | libresolv_hidden_proto (ns_name_compress) | 
|  | libresolv_hidden_proto (ns_name_uncompress) | 
|  | libresolv_hidden_proto (ns_sprintrr) | 
|  | libresolv_hidden_proto (ns_sprintrrf) | 
|  | libresolv_hidden_proto (ns_samedomain) | 
|  | libresolv_hidden_proto (ns_samename) | 
|  | libresolv_hidden_proto (ns_makecanon) | 
|  | libresolv_hidden_proto (ns_format_ttl) | 
|  |  | 
|  | #endif |