dup3               29 maint/gnulib/lib/dup3.c dup3 (int oldfd, int newfd, int flags)
dup3               32 maint/gnulib/lib/dup3.c # undef dup3
dup3              532 maint/gnulib/lib/unistd.in.h #   define dup3 rpl_dup3
dup3              542 maint/gnulib/lib/unistd.in.h # undef dup3