t/grantpt

t/grantpt

    /media/Stalin/tmp/glibc.hurd.gnu-2/libc_pic.os: In function `pts_name':
    /media/data/home/thomas/tmp/source/glibc/git/glibc.hurd/login/../sysdeps/unix/grantpt.c:52: undefined reference to `__ptsname_internal'
    collect2: ld returned 1 exit status
    make[1]: *** [/media/Stalin/tmp/glibc.hurd.gnu-2/libc.so] Error 1

Cf. aa9890239a2aef81e64f3f22a31c7e01b6501f69

Need any of the checks (stat, etc.) that Linux' __ptsname_internal does?

Implement close_all_fds as in 139ee080b6b428240bf49f3e6361f3ac729f891a?

Gbp-Pq: Topic hurd-i386
Gbp-Pq: Name tg-grantpt.diff