From the config file /etc/manpath.config:

Mandatory mandir `/usr/man'.
Mandatory mandir `/usr/share/man'.
Mandatory mandir `/usr/local/man'.
Path `/bin' mapped to mandir `/usr/share/man'.
Path `/usr/bin' mapped to mandir `/usr/share/man'.
Path `/sbin' mapped to mandir `/usr/share/man'.
Path `/usr/sbin' mapped to mandir `/usr/share/man'.
Path `/usr/local/bin' mapped to mandir `/usr/local/man'.
Path `/usr/local/bin' mapped to mandir `/usr/local/share/man'.
Path `/usr/local/sbin' mapped to mandir `/usr/local/man'.
Path `/usr/local/sbin' mapped to mandir `/usr/local/share/man'.
Path `/usr/X11R6/bin' mapped to mandir `/usr/X11R6/man'.
Path `/usr/bin/X11' mapped to mandir `/usr/X11R6/man'.
Path `/usr/games' mapped to mandir `/usr/share/man'.
Path `/opt/bin' mapped to mandir `/opt/man'.
Path `/opt/sbin' mapped to mandir `/opt/man'.
Global mandir `/usr/man', catdir `/var/cache/man/fsstnd'.
Global mandir `/usr/share/man', catdir `/var/cache/man'.
Global mandir `/usr/local/man', catdir `/var/cache/man/oldlocal'.
Global mandir `/usr/local/share/man', catdir `/var/cache/man/local'.
Global mandir `/usr/X11R6/man', catdir `/var/cache/man/X11R6'.
Global mandir `/opt/man', catdir `/var/cache/man/opt'.
Added section `1'.
Added section `n'.
Added section `l'.
Added section `8'.
Added section `3'.
Added section `2'.
Added section `3posix'.
Added section `3pm'.
Added section `3perl'.
Added section `5'.
Added section `4'.
Added section `9'.
Added section `6'.
Added section `7'.
`/usr/man'      `'      `1'
`/usr/share/man'        `'      `1'
`/usr/local/man'        `'      `1'
`/bin'  `/usr/share/man'        `0'
`/usr/bin'      `/usr/share/man'        `0'
`/sbin' `/usr/share/man'        `0'
`/usr/sbin'     `/usr/share/man'        `0'
`/usr/local/bin'        `/usr/local/man'        `0'
`/usr/local/bin'        `/usr/local/share/man'  `0'
`/usr/local/sbin'       `/usr/local/man'        `0'
`/usr/local/sbin'       `/usr/local/share/man'  `0'
`/usr/X11R6/bin'        `/usr/X11R6/man'        `0'
`/usr/bin/X11'  `/usr/X11R6/man'        `0'
`/usr/games'    `/usr/share/man'        `0'
`/opt/bin'      `/opt/man'      `0'
`/opt/sbin'     `/opt/man'      `0'
`/usr/man'      `/var/cache/man/fsstnd' `-1'
`/usr/share/man'        `/var/cache/man'        `-1'
`/usr/local/man'        `/var/cache/man/oldlocal'       `-1'
`/usr/local/share/man'  `/var/cache/man/local'  `-1'
`/usr/X11R6/man'        `/var/cache/man/X11R6'  `-1'
`/opt/man'      `/var/cache/man/opt'    `-1'
`1'     `'      `-5'
`n'     `'      `-5'
`l'     `'      `-5'
`8'     `'      `-5'
`3'     `'      `-5'
`2'     `'      `-5'
`3posix'        `'      `-5'
`3pm'   `'      `-5'
`3perl' `'      `-5'
`5'     `'      `-5'
`4'     `'      `-5'
`9'     `'      `-5'
`6'     `'      `-5'
`7'     `'      `-5'

path directory /usr/local/sbin is in the config file
adding /usr/local/man to manpath
adding /usr/local/share/man to manpath

path directory /usr/local/bin is in the config file
/usr/local/man is already in the manpath
/usr/local/share/man is already in the manpath

path directory /usr/sbin is in the config file
adding /usr/share/man to manpath

path directory /usr/bin is in the config file
/usr/share/man is already in the manpath

path directory /sbin is in the config file
/usr/share/man is already in the manpath

path directory /bin is in the config file
/usr/share/man is already in the manpath

path directory /usr/games is in the config file
/usr/share/man is already in the manpath

adding mandatory man directories

warning: /usr/man: No such file or directory
/usr/share/man is already in the manpath
/usr/local/man is already in the manpath
add_nls_manpath(): processing /usr/local/man:/usr/local/share/man:/usr/share/man
adding /usr/local/man to manpathlist
adding /usr/local/share/man to manpathlist
adding /usr/share/man to manpathlist
lower(man) = "man"
path=/usr/local/man
warning: can't read the fallback whatis text database /usr/local/man/whatis
path=/usr/local/share/man
warning: can't read the fallback whatis text database /usr/local/share/man/whatis
path=/usr/share/man
warning: can't read the fallback whatis text database /usr/share/man/whatis
man: nothing appropriate.
hash_free: 0 entries, 0 (0%) unique