USE_ISOC_AND_POSIX_THREADS   72 maint/gnulib/tests/test-lock.c # undef USE_ISOC_AND_POSIX_THREADS
USE_ISOC_AND_POSIX_THREADS   85 maint/gnulib/tests/test-lock.c #  define USE_ISOC_AND_POSIX_THREADS 1