recvfrom          652 include/ruby/win32.h #undef recvfrom
recvfrom          653 include/ruby/win32.h #define recvfrom(s, b, l, f, fr, frl) rb_w32_recvfrom(s, b, l, f, fr, frl)
recvfrom         3291 win32/win32.c  #undef recvfrom