gethostbyaddr     481 include/ruby/win32.h #undef gethostbyaddr
gethostbyaddr     482 include/ruby/win32.h #define gethostbyaddr(a, l, t)	rb_w32_gethostbyaddr(a, l, t)
gethostbyaddr    2731 win32/win32.c  #undef gethostbyaddr