diff options
Diffstat (limited to 'resolv/netdb.h')
| -rw-r--r-- | resolv/netdb.h | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/resolv/netdb.h b/resolv/netdb.h index 9282be334a..3365e5e24a 100644 --- a/resolv/netdb.h +++ b/resolv/netdb.h @@ -28,6 +28,7 @@ /* This is necessary to make this include file properly replace the Sun version. */ #include <rpc/netdb.h> +#include <sys/socket.h> /* need socklen_t */ #define __need_size_t #include <stddef.h> @@ -119,7 +120,7 @@ extern struct hostent *gethostbyaddr __P ((__const char *__addr, int __len, extern struct hostent *gethostbyname __P ((__const char *__name)); /* Return entry from host data base for host with NAME. AF must be - set to the address type which as `AF_INET' for IPv4 or `AF_INET6' + set to the address type which is `AF_INET' for IPv4 or `AF_INET6' for IPv6. */ extern struct hostent *gethostbyname2 __P ((__const char *__name, int __af)); @@ -165,6 +166,19 @@ extern int gethostbyname2_r __P ((__const char *__name, int __af, #endif /* misc */ +/* Return entry from host data base for host with NAME. AF must be + set to the desired address type (either `AF_INET' or `AF_INET6'). + FLAGS is some combination of the following AI_* values. */ +extern struct hostent *getnodebyname __P ((__const char *__name, int __af, + int __flags)); + +#define AI_V4MAPPED 1 /* IPv4-mapped addresses are acceptable. */ +#define AI_ALL 2 /* Return both IPv4 and IPv6 addresses. */ +#define AI_ADDRCONFIG 4 /* Use configuration of this host to choose + returned address type. */ +#define AI_DEFAULT (AI_V4MAPPED | AI_ADDRCONFIG) + + /* Description of data base entry for a single network. NOTE: here a poor assumption is made. The network number is expected to fit into an unsigned long int variable. */ @@ -413,6 +427,7 @@ struct addrinfo /* Possible values for `ai_flags' field in `addrinfo' structure. */ # define AI_PASSIVE 1 /* Socket address is intended for `bind'. */ # define AI_CANONNAME 2 /* Request for canonical name. */ +# define AI_NUMERICHOST 3 /* Don't use name resolution. */ /* Error values for `getaddrinfo' function. */ # define EAI_BADFLAGS -1 /* Invalid value for `ai_flags' field. */ @@ -430,11 +445,11 @@ struct addrinfo # define NI_MAXHOST 1025 # define NI_MAXSERV 32 -# define NI_NUMERICHOST 1 -# define NI_NUMERICSERV 2 -# define NI_NOFQDN 4 -# define NI_NAMEREQD 8 -# define NI_DGRAM 16 +# define NI_NUMERICHOST 1 /* Don't try to look up hostname. */ +# define NI_NUMERICSERV 2 /* Don't convert port number to name. */ +# define NI_NOFQDN 4 /* Only return nodename portion. */ +# define NI_NAMEREQD 8 /* Don't return numeric addresses. */ +# define NI_DGRAM 16 /* Look up UDP service rather than TCP. */ /* Translate name of a service location and/or a service name to set of socket addresses. */ @@ -449,7 +464,7 @@ extern void freeaddrinfo __P ((struct addrinfo *__ai)); extern char *gai_strerror __P ((int __ecode)); /* Translate a socket address to a location and service name. */ -extern int getnameinfo __P ((__const struct sockaddr *__sa, size_t __salen, +extern int getnameinfo __P ((__const struct sockaddr *__sa, socklen_t __salen, char *__host, size_t __hostlen, char *__serv, size_t __servlen, int __flags)); |