function void endprotoent (void)
function void endservent (void)
function void freeaddrinfo (struct addrinfo*)
-function {char*} gai_strerror (int)
+function {const char*} gai_strerror (int)
function int getaddrinfo (const char*, const char*, const struct addrinfo*, struct addrinfo**)
function {struct hostent*} gethostbyaddr (const void*, socklen_t, int)
function {struct hostent*} gethostbyname (const char*)