HAVE_FIFO_PIPES 76 maint/gnulib/lib/isapipe.c bool check_for_fifo = (HAVE_FIFO_PIPES == 1); HAVE_FIFO_PIPES 93 maint/gnulib/lib/isapipe.c if (! ((HAVE_FIFO_PIPES == 0 || HAVE_FIFO_PIPES == 1) HAVE_FIFO_PIPES 19 maint/gnulib/lib/isapipe.h #ifndef HAVE_FIFO_PIPES