BACKUP_STDERR_FILENO   32 maint/gnulib/tests/test-dirent-safer.c #define BACKUP_STDERR_FILENO 10
BACKUP_STDERR_FILENO   53 maint/gnulib/tests/test-dup-safer.c #define BACKUP_STDERR_FILENO 10
BACKUP_STDERR_FILENO   31 maint/gnulib/tests/test-freopen-safer.c #define BACKUP_STDERR_FILENO 10
BACKUP_STDERR_FILENO   31 maint/gnulib/tests/test-getopt-main.h #define BACKUP_STDERR_FILENO 10
BACKUP_STDERR_FILENO   32 maint/gnulib/tests/test-openat-safer.c #define BACKUP_STDERR_FILENO 10
BACKUP_STDERR_FILENO   28 maint/gnulib/tests/test-perror2.c #define BACKUP_STDERR_FILENO 10
BACKUP_STDERR_FILENO   32 maint/gnulib/tests/test-popen-safer.c #define BACKUP_STDERR_FILENO 10
BACKUP_STDERR_FILENO   39 maint/gnulib/tests/test-spawn-pipe-child.c #define BACKUP_STDERR_FILENO 10
BACKUP_STDERR_FILENO   33 maint/gnulib/tests/test-spawn-pipe-main.c #define BACKUP_STDERR_FILENO 10