have_pipe2_really   55 maint/gnulib/lib/pipe2.c     static int have_pipe2_really; /* 0 = unknown, 1 = yes, -1 = no */
have_pipe2_really   56 maint/gnulib/lib/pipe2.c     if (have_pipe2_really >= 0)
have_pipe2_really   61 maint/gnulib/lib/pipe2.c             have_pipe2_really = 1;
have_pipe2_really   64 maint/gnulib/lib/pipe2.c         have_pipe2_really = -1;