ostbyname(3) - phpMan
gethostbyname (3) - get network host entry gethostbyname2 (3) - get network host entry gethostbyname2_r (3) - get network host entry gethostbyname_r (3) - get network host entry
gethostbyname (3) - get network host entry gethostbyname2 (3) - get network host entry gethostbyname2_r (3) - get network host entry gethostbyname_r (3) - get network host entry