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head/lib/libc/net/getnameinfo.3
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| .\" AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, | .\" AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, | ||||
| .\" INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM | .\" INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM | ||||
| .\" LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE | .\" LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE | ||||
| .\" OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR | .\" OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR | ||||
| .\" PERFORMANCE OF THIS SOFTWARE. | .\" PERFORMANCE OF THIS SOFTWARE. | ||||
| .\" | .\" | ||||
| .\" $FreeBSD$ | .\" $FreeBSD$ | ||||
| .\" | .\" | ||||
| .Dd July 28, 2016 | .Dd March 15, 2018 | ||||
| .Dt GETNAMEINFO 3 | .Dt GETNAMEINFO 3 | ||||
| .Os | .Os | ||||
| .Sh NAME | .Sh NAME | ||||
| .Nm getnameinfo | .Nm getnameinfo | ||||
| .Nd socket address structure to hostname and service name | .Nd socket address structure to hostname and service name | ||||
| .Sh SYNOPSIS | .Sh SYNOPSIS | ||||
| .In sys/types.h | .In sys/types.h | ||||
| .In sys/socket.h | .In sys/socket.h | ||||
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| .Po for IPv4 , | .Po for IPv4 , | ||||
| IPv6, | IPv6, | ||||
| link-layer, | link-layer, | ||||
| or UNIX-domain respectively | or UNIX-domain respectively | ||||
| .Pc | .Pc | ||||
| that is | that is | ||||
| .Fa salen | .Fa salen | ||||
| bytes long. | bytes long. | ||||
| If | |||||
| .Fa salen | |||||
| is shorter than the length corresponding to the specified | |||||
| address family or longer than | |||||
| .Fn sizeof "struct sockaddr_storage" , | |||||
| it returns | |||||
| .Er EAI_FAMILY . | |||||
| Note that | |||||
| .Va sa->sa_len | |||||
| should be consistent with | |||||
| .Fa salen | |||||
| though the value of | |||||
| .Va sa->sa_len | |||||
| is not directly used in this function. | |||||
| .Pp | .Pp | ||||
| The host and service names associated with | The host and service names associated with | ||||
| .Fa sa | .Fa sa | ||||
| are stored in | are stored in | ||||
| .Fa host | .Fa host | ||||
| and | and | ||||
| .Fa serv | .Fa serv | ||||
| which have length parameters | which have length parameters | ||||
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