S_ISFIFO           45 gnulib-tests/test-sys_stat.c     S_ISFIFO (S_IFREG),
S_ISFIFO          102 gnulib-tests/test-sys_stat.c verify (!S_ISFIFO (S_IFBLK));
S_ISFIFO          103 gnulib-tests/test-sys_stat.c verify (!S_ISFIFO (S_IFCHR));
S_ISFIFO          104 gnulib-tests/test-sys_stat.c verify (!S_ISFIFO (S_IFDIR));
S_ISFIFO          105 gnulib-tests/test-sys_stat.c verify (S_ISFIFO (S_IFIFO));
S_ISFIFO          106 gnulib-tests/test-sys_stat.c verify (!S_ISFIFO (S_IFREG));
S_ISFIFO          108 gnulib-tests/test-sys_stat.c verify (!S_ISFIFO (S_IFLNK));
S_ISFIFO          111 gnulib-tests/test-sys_stat.c verify (!S_ISFIFO (S_IFSOCK));
S_ISFIFO           49 lib/file-type.c   if (S_ISFIFO (st->st_mode))
S_ISFIFO          112 lib/sys_stat.in.h #ifndef S_ISFIFO