pipe               32 maint/gnulib/lib/pipe.c pipe (int fd[2])
pipe               26 maint/gnulib/lib/unistd--.h #undef pipe
pipe               27 maint/gnulib/lib/unistd--.h #define pipe pipe_safer
pipe             1711 maint/gnulib/lib/unistd.in.h # undef pipe
pipe               46 maint/gnulib/tests/test-poll.c #define pipe(x) _pipe(x, 256, O_BINARY)