gethostbyaddr     670 include/ruby/win32.h #undef gethostbyaddr
gethostbyaddr     671 include/ruby/win32.h #define gethostbyaddr(a, l, t)	rb_w32_gethostbyaddr(a, l, t)
gethostbyaddr    3711 win32/win32.c  #undef gethostbyaddr