endhostent
endnetent
endprotoent
endservent
freeaddrinfo
gai_strerror
getaddrinfo
gethostent
getnameinfo
getnetbyaddr
getnetbyname
getnetent
getprotobyname
getprotobynumber
getprotoent
getservbyname
getservbyport
getservent
sethostent
setnetent
setprotoent
setservent