HAVE_ARPA_INET_H   50 ext/socket/getaddrinfo.c #if defined(HAVE_ARPA_INET_H)
HAVE_ARPA_INET_H   46 ext/socket/getnameinfo.c #if defined(HAVE_ARPA_INET_H)
HAVE_ARPA_INET_H   44 ext/socket/rubysocket.h #  ifdef HAVE_ARPA_INET_H