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Ok'd by: deraadt@

rather than probing the current system to find them.
This is bad, but not as worse as depending on hilinfo for proper operation.

scripts use - '1.2.3.4 host.my.domain host'.
ok millert@

definitions to allow bsd_auth.h to be included before login_cap.h
or pwd.h.

Use the -U flag instead of -u so mtree doesn't exit with non-zero
when fixing up existing permissions/owners.

will be overwritten by subsequent calls; suggested by pjanzen, ok millert

'not came into the picture, yet'
ok mickey@

ok deraadt@

ok deraadt@

- more accurate documentation, more documentation
- remove some EOL whitespace
ok deraadt@

of getopt() to char variables instead of int lose on arches where char is
unsigned by default.
Clean the example by not pasting parts of <unistd.h> into it, and by not
using atoi(3).