ovlp 64 maint/gnulib/lib/flock.c OVERLAPPED ovlp; ovlp 73 maint/gnulib/lib/flock.c memset (&ovlp, 0, sizeof ovlp); ovlp 80 maint/gnulib/lib/flock.c return LockFileEx (h, flags, 0, size_lower, size_upper, &ovlp);